https://hard.fyi/advisories/ HARD's advisories on out-of-date software and flaws being used in attacks, plus every flaw CISA has added to its Known Exploited Vulnerabilities catalog in the last 30 days. en-au Tue, 20 Oct 2026 00:00:00 GMT https://hard.fyi/images/brand/apple-touch-icon.pnghttps://hard.fyi/advisories/ https://hard.fyi/advisories/brave-chromium-152/ https://hard.fyi/advisories/brave-chromium-152/ Tue, 20 Oct 2026 00:00:00 GMT Advisory 1,086 security fixes behind, 41 critical. One of them is being used in attacks. Brave is built on Chromium, the open-source core of Google Chrome. Since Chromium 152, Google has fixed 1,086 security fixes in it, 41 rated critical and 284 high by Google. One of them is being used in attacks. https://hard.fyi/advisories/chrome-before-156-0-8078-47/ https://hard.fyi/advisories/chrome-before-156-0-8078-47/ Tue, 20 Oct 2026 00:00:00 GMT Advisory 353 security fixes in the latest release alone, 6 critical. Older than 153.0.8010.36: also flaws used in attacks. Chrome 156.0.8078.47 came out on 20 Oct 2026 with 353 security fixes, 6 rated critical and 61 high by Google. Any older Chrome is missing at least those, and Chrome older than 153.0.8010.36 is missing fixes for flaws being used in attacks. https://hard.fyi/advisories/electron-41/ https://hard.fyi/advisories/electron-41/ Tue, 20 Oct 2026 00:00:00 GMT Advisory No security fixes since 24 Aug 2026. Chromium has fixed 1,451 flaws since, 53 critical. Electron 41 stopped getting security fixes on 24 Aug 2026. Since then, Google has fixed 1,451 security fixes in Chromium, the browser engine inside every Electron app, 53 rated critical and 364 high by Google. Two of them are being used in attacks. https://hard.fyi/lookup/?q=CVE-2026-110936 https://hard.fyi/lookup/?q=CVE-2026-110936 Tue, 20 Oct 2026 00:00:00 GMT Exploited Siemens Software Center Uncontrolled Search Path Element Vulnerability. Siemens Software Center contains an uncontrolled search path element vulnerability that could allow an authenticated local attacker to place a specially crafted DLL in a directory that the application searches, leading to arbitrary code execution with the privileges of the affected application. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-20. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/lookup/?q=CVE-2026-106931 https://hard.fyi/lookup/?q=CVE-2026-106931 Tue, 20 Oct 2026 00:00:00 GMT Exploited EG Secure Solutions SiteGuard Server Edition OS Command Injection Vulnerability. EG Secure Solutions SiteGuard Server Edition contains an OS command injection vulnerability which may allow an attacker to execute arbitrary OS commands with root or SYSTEM privileges on the system running the affected product. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-20. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/lookup/?q=CVE-2026-96656 https://hard.fyi/lookup/?q=CVE-2026-96656 Tue, 20 Oct 2026 00:00:00 GMT Exploited Plex Media Server External Control of File Name or Path Vulnerability. Plex Media Server contains an external control of file name or path vulnerability which can allow an admin user to write arbitrary files that may be executed on load. This vulnerability can be chained with CVE-2026-96652, CVE-2026-96654, and CVE-2026-96655. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-20. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Plex flaw being used in attacks: https://hard.fyi/advisories/vendor/plex/ https://hard.fyi/lookup/?q=CVE-2026-96655 https://hard.fyi/lookup/?q=CVE-2026-96655 Tue, 20 Oct 2026 00:00:00 GMT Exploited Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability. Plex Media Server contains a server-side request forgery (SSRF) vulnerability that could allow an authenticated user to request arbitrary internal or external addresses via the '/video/:/transcode/universal' path parameter. This vulnerability can be chained with CVE-2026-96652, CVE-2026-96654, and CVE-2026-96656. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-20. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Plex flaw being used in attacks: https://hard.fyi/advisories/vendor/plex/ https://hard.fyi/lookup/?q=CVE-2026-96654 https://hard.fyi/lookup/?q=CVE-2026-96654 Tue, 20 Oct 2026 00:00:00 GMT Exploited Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability. Plex Media Server contains an improper neutralization of encoded URI schemes in a web page vulnerability that could allow an attacker to call other plugins' functions and supply their own parameters. This vulnerability can be chained with CVE-2026-96652, CVE-2026-96655, and CVE-2026-96656. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-20. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Plex flaw being used in attacks: https://hard.fyi/advisories/vendor/plex/ https://hard.fyi/lookup/?q=CVE-2026-96652 https://hard.fyi/lookup/?q=CVE-2026-96652 Tue, 20 Oct 2026 00:00:00 GMT Exploited Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability. Plex Media Server contains a server-side request forgery (SSRF) vulnerability which could allow an attacker using any X-Plex-Token value to include a full URL in the 'protocol' parameter and force the Plex server to POST to the attacker's chosen destination. This vulnerability can be chained with CVE-2026-96654, CVE-2026-96655, and CVE-2026-96656. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-20. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Plex flaw being used in attacks: https://hard.fyi/advisories/vendor/plex/ https://hard.fyi/lookup/?q=CVE-2026-102764 https://hard.fyi/lookup/?q=CVE-2026-102764 Fri, 16 Oct 2026 00:00:00 GMT Exploited BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability. BeyondTrust Remote Support contains an authentication bypass by spoofing vulnerability that could allow a remote attacker to perform file operations on the appliance. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-16. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every BeyondTrust flaw being used in attacks: https://hard.fyi/advisories/vendor/beyondtrust/ https://hard.fyi/lookup/?q=CVE-2025-61624 https://hard.fyi/lookup/?q=CVE-2025-61624 Fri, 16 Oct 2026 00:00:00 GMT Exploited Fortinet Multiple Products Path Traversal Vulnerability. FortiOS, FortiPAM, FortiProxy, and FortiSwitchManager contain a path traversal vulnerability that may allow an authenticated attacker with admin profile and at least read-write permissions to write or delete arbitrary files via specific CLI commands. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-16. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Fortinet flaw being used in attacks: https://hard.fyi/advisories/vendor/fortinet/ https://hard.fyi/lookup/?q=CVE-2026-21589 https://hard.fyi/lookup/?q=CVE-2026-21589 Thu, 15 Oct 2026 00:00:00 GMT Exploited Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability. Multiple Atlassian products (Bitbucket Data Center ,Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center, Crowd Data Center, Crucible and Fisheye) contain a files or directories accessible to external parties vulnerability which could allow an unauthenticated attacker to access specific files within the web application root directory in affected versions. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-15. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Atlassian flaw being used in attacks: https://hard.fyi/advisories/vendor/atlassian/ https://hard.fyi/lookup/?q=CVE-2026-105134 https://hard.fyi/lookup/?q=CVE-2026-105134 Wed, 14 Oct 2026 00:00:00 GMT Exploited Ahsay AhsayCBS Command Injection Vulnerability. Ahsay AhsayCBS contains a command injection vulnerability that could allow a remote attacker to execute operating system commands via manipulation of the random parameter in the Replication Receiver component’s /rps/api/json/UpdateReceivers.do endpoint. This vulnerability can be chained with CVE-2026-105133. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-14. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/lookup/?q=CVE-2026-105133 https://hard.fyi/lookup/?q=CVE-2026-105133 Wed, 14 Oct 2026 00:00:00 GMT Exploited Ahsay AhsayCBS Improper Authentication Vulnerability. Ahsay AhsayCBS contains an improper authentication vulnerability that could allow a remote attacker to bypass authentication via manipulation of the random parameter in the API component’s checkSysPwd function. This vulnerability can be chained with CVE-2026-105134. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-14. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/lookup/?q=CVE-2026-76519 https://hard.fyi/lookup/?q=CVE-2026-76519 Wed, 14 Oct 2026 00:00:00 GMT Exploited Cisco Secure Email Gateway Relative Path Traversal Vulnerability. Cisco Secure Email Gateway contains a relative path traversal vulnerability that could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-14. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Cisco flaw being used in attacks: https://hard.fyi/advisories/vendor/cisco/ https://hard.fyi/lookup/?q=CVE-2026-0322 https://hard.fyi/lookup/?q=CVE-2026-0322 Wed, 14 Oct 2026 00:00:00 GMT Exploited Palo Alto Networks PAN-OS Code Injection Vulnerability. Palo Alto Networks PAN-OS contains a code injection vulnerability that could allow an authenticated attacker with network access to execute arbitrary code with root privileges on the firewall. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-14. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Palo Alto Networks flaw being used in attacks: https://hard.fyi/advisories/vendor/palo-alto-networks/ https://hard.fyi/lookup/?q=CVE-2026-104935 https://hard.fyi/lookup/?q=CVE-2026-104935 Tue, 13 Oct 2026 00:00:00 GMT Exploited Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability. Ivanti Connect Secure contains an authentication bypass by spoofing vulnerability that allows a remote unauthenticated attacker to execute arbitrary commands. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-13. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Ivanti flaw being used in attacks: https://hard.fyi/advisories/vendor/ivanti/ https://hard.fyi/lookup/?q=CVE-2026-96951 https://hard.fyi/lookup/?q=CVE-2026-96951 Tue, 13 Oct 2026 00:00:00 GMT Exploited Microsoft Windows Command Injection Vulnerability. Microsoft Windows Shell contains a command injection vulnerability that allows an unauthorized attacker to bypass a security feature over a network. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-13. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Microsoft flaw being used in attacks: https://hard.fyi/advisories/vendor/microsoft/ https://hard.fyi/lookup/?q=CVE-2023-22894 https://hard.fyi/lookup/?q=CVE-2023-22894 Thu, 08 Oct 2026 00:00:00 GMT Exploited Strapi Cleartext Storage of Sensitive Information Vulnerability. Strapi contains a cleartext storage of sensitive information vulnerability that could allow attackers with access to the admin panel to discover sensitive user details via the query filter. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version. This vulnerability can be chained with CVE-2023-22621 to achieve remote code execution. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-08. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/lookup/?q=CVE-2021-3199 https://hard.fyi/lookup/?q=CVE-2021-3199 Thu, 08 Oct 2026 00:00:00 GMT Exploited ONLYOFFICE Docs Server Path Traversal Vulnerability. ONLYOFFICE Docs contains a path traversal vulnerability that can occur when JWT is used, via a /.. sequence in an image upload parameter and could allow for remote code execution. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-08. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/lookup/?q=CVE-2016-3081 https://hard.fyi/lookup/?q=CVE-2016-3081 Thu, 08 Oct 2026 00:00:00 GMT Exploited Apache Struts Command Injection Vulnerability. Apache Struts contains a command injection vulnerability that could allow remote attackers to execute arbitrary code via method:prefix when Dynamic Method Invocation is enabled. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-08. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Apache flaw being used in attacks: https://hard.fyi/advisories/vendor/apache/ https://hard.fyi/lookup/?q=CVE-2015-5477 https://hard.fyi/lookup/?q=CVE-2015-5477 Thu, 08 Oct 2026 00:00:00 GMT Exploited ISC BIND Data Processing Errors Vulnerability. ISC BIND contains a data processing errors vulnerability that could allow remote attackers to cause a denial of service via TKEY queries. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-08. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/lookup/?q=CVE-2015-3306 https://hard.fyi/lookup/?q=CVE-2015-3306 Thu, 08 Oct 2026 00:00:00 GMT Exploited ProFTPD Improper Access Control Vulnerability. ProFTPD contains an improper access control vulnerability that could allow remote attackers to read and write to arbitrary files via the site cpfr and site cpto commands. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-08. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/lookup/?q=CVE-2026-88779 https://hard.fyi/lookup/?q=CVE-2026-88779 Sun, 04 Oct 2026 00:00:00 GMT Exploited Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability. Citrix NetScaler ADC (formerly Citrix ADC) and Citrix NetScaler Gateway (formerly Citrix Gateway) contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for a denial of service. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-04. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Citrix flaw being used in attacks: https://hard.fyi/advisories/vendor/citrix/ https://hard.fyi/lookup/?q=CVE-2026-102490 https://hard.fyi/lookup/?q=CVE-2026-102490 Fri, 02 Oct 2026 00:00:00 GMT Exploited Zammad GmbH Zammad Improper Privilege Management Vulnerability. Zammad GmbH Zammad contains an improper privilege management vulnerability that can allow the local zammad user to escalate privileges to root. This vulnerability can be chained with CVE-2026-102489. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-02. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/lookup/?q=CVE-2026-102489 https://hard.fyi/lookup/?q=CVE-2026-102489 Fri, 02 Oct 2026 00:00:00 GMT Exploited Zammad GmbH Zammad Session Fixation Vulnerability. Zammad GmbH Zammad contains a session fixation vulnerability that can lead to remote code execution as the zammad user. This vulnerability can be chained with CVE-2026-102490. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-02. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/lookup/?q=CVE-2026-104286 https://hard.fyi/lookup/?q=CVE-2026-104286 Thu, 01 Oct 2026 00:00:00 GMT Exploited Fortinet FortiMail Path Traversal Vulnerability. Fortinet FortiMail contains a path traversal and an improper neutralization of NULL byte or NULL character vulnerability that may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-01. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Fortinet flaw being used in attacks: https://hard.fyi/advisories/vendor/fortinet/ https://hard.fyi/lookup/?q=CVE-2026-76504 https://hard.fyi/lookup/?q=CVE-2026-76504 Wed, 30 Sep 2026 00:00:00 GMT Exploited Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability. Cisco Catalyst SD-WAN Manager contains a hex encoding vulnerability that could allow an unauthenticated, remote attacker to access an affected system with privileges of the admin user due to improper handling of URI encoding in an HTTP request. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-09-30. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Cisco flaw being used in attacks: https://hard.fyi/advisories/vendor/cisco/ https://hard.fyi/cve/CVE-2026-86950/ https://hard.fyi/cve/CVE-2026-86950/ Tue, 29 Sep 2026 00:00:00 GMT Advisory A memory flaw in Apple's graphics code that lets a booby-trapped file run code. CISA added it to its list of flaws being used in attacks on 2026-09-29. Fixed in iOS 26.7.1 and iPadOS 26.7.1, macOS Tahoe 26.7.1, macOS Sequoia 15.8.1. https://hard.fyi/advisories/macos-sequoia-before-15-8-1/ https://hard.fyi/advisories/macos-sequoia-before-15-8-1/ Mon, 28 Sep 2026 00:00:00 GMT Advisory One security fix in 15.8.1, being used in attacks. More the further back you are. macOS Sequoia 15.8.1 came out on 28 Sep 2026 with one security fix, for a flaw being used in attacks. Any older macOS Sequoia is missing it, and the further back it is, the more it's missing. https://hard.fyi/lookup/?q=CVE-2026-88772 https://hard.fyi/lookup/?q=CVE-2026-88772 Sun, 27 Sep 2026 00:00:00 GMT Exploited Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability. Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for remote code execution or denial of service CISA added it to its Known Exploited Vulnerabilities catalog on 2026-09-27. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Citrix flaw being used in attacks: https://hard.fyi/advisories/vendor/citrix/ https://hard.fyi/lookup/?q=CVE-2026-88771 https://hard.fyi/lookup/?q=CVE-2026-88771 Sun, 27 Sep 2026 00:00:00 GMT Exploited Citrix NetScaler Improper Input Validation Vulnerability. Citrix NetScaler ADC and NetScaler Gateway contain an improper input validation vulnerability that could allow an unauthenticated attacker to execute arbitrary commands. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-09-27. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Citrix flaw being used in attacks: https://hard.fyi/advisories/vendor/citrix/ https://hard.fyi/lookup/?q=CVE-2026-87902 https://hard.fyi/lookup/?q=CVE-2026-87902 Fri, 25 Sep 2026 00:00:00 GMT Exploited WordPress Core Remote File Inclusion Vulnerability. WordPress Core contains a remote file inclusion vulnerability which could allow an unauthenticated attacker to make page-template resolution include a chosen readable local `.php` file outside the active theme directories, leading to remote code execution. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-09-25. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every WordPress flaw being used in attacks: https://hard.fyi/advisories/vendor/wordpress/ https://hard.fyi/lookup/?q=CVE-2026-67279 https://hard.fyi/lookup/?q=CVE-2026-67279 Fri, 25 Sep 2026 00:00:00 GMT Exploited Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability. Mikrotik RouterOS contains an improper enforcement of behavioral workflow vulnerability that could allow an unauthenticated client to open a session channel and send an exec request. This vulnerability can be chained to achieve unauthenticated exploitation of CVE-2026-86060. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-09-25. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every MikroTik flaw being used in attacks: https://hard.fyi/advisories/vendor/mikrotik/ https://hard.fyi/lookup/?q=CVE-2026-65660 https://hard.fyi/lookup/?q=CVE-2026-65660 Fri, 25 Sep 2026 00:00:00 GMT Exploited Microsoft SharePoint Code Injection Vulnerability. Microsoft SharePoint contains a code injection vulnerability which could allow an authorized attacker to execute code over a network. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-09-25. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Microsoft flaw being used in attacks: https://hard.fyi/advisories/vendor/microsoft/ https://hard.fyi/lookup/?q=CVE-2026-71362 https://hard.fyi/lookup/?q=CVE-2026-71362 Thu, 24 Sep 2026 00:00:00 GMT Exploited Adobe Commerce and Magento Incorrect Authorization Vulnerability. Adobe Commerce and Magento contains an incorrect authorization vulnerability that could allow an attacker to leverage this vulnerability to gain elevated access to sensitive resources without any user interaction. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-09-24. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Every Adobe flaw being used in attacks: https://hard.fyi/advisories/vendor/adobe/ https://hard.fyi/lookup/?q=CVE-2026-5430 https://hard.fyi/lookup/?q=CVE-2026-5430 Thu, 24 Sep 2026 00:00:00 GMT Exploited WSO2 Multiple Products Path Traversal Vulnerability. WSO2 API Control Plane, API Manager, Traffic Manager & Universal Gateway contain a path traversal vulnerability that could allow for unrestricted file upload and lead to remote code execution. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-09-24. What to do: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://hard.fyi/cve/CVE-2026-87491/ https://hard.fyi/cve/CVE-2026-87491/ Wed, 09 Sep 2026 00:00:00 GMT Advisory A memory flaw in Chrome's JavaScript engine that lets a web page run code. CISA added it to its list of flaws being used in attacks on 2026-09-09. Fixed in Chrome 153.0.8010.36 (153.0.8010.37 on Mac), released 8 Sep 2026. https://hard.fyi/cve/CVE-2026-85046/ https://hard.fyi/cve/CVE-2026-85046/ Fri, 04 Sep 2026 00:00:00 GMT Advisory A flaw that makes Chrome's JavaScript engine mix up types of data, letting a web page run code. CISA added it to its list of flaws being used in attacks on 2026-09-04. Fixed in Chrome 152.0.7977.82 (152.0.7977.83 on Mac), released 3 Sep 2026. https://hard.fyi/cve/CVE-2026-65400/ https://hard.fyi/cve/CVE-2026-65400/ Tue, 18 Aug 2026 00:00:00 GMT Advisory A flaw in macOS Screen Sharing that lets an attacker on the network in without a password. CISA added it to its list of flaws being used in attacks on 2026-08-18. Fixed in macOS Tahoe 26.6.1, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Golden Gate 27. https://hard.fyi/cve/CVE-2026-11645/ https://hard.fyi/cve/CVE-2026-11645/ Tue, 09 Jun 2026 00:00:00 GMT Advisory A flaw that lets Chrome's JavaScript engine reach memory it shouldn't, letting a web page run code. CISA added it to its list of flaws being used in attacks on 2026-06-09. Fixed in Chrome 149.0.7827.102 (149.0.7827.103 on Mac), released 8 Jun 2026.