Craft CMS flaws being used in attacks

CISA lists 4 flaws in Craft CMS products as being used in attacks, most recently on 20 Mar 2026.

What to do

1. Update every Craft CMS product you use.Install the updates Craft CMS offers, on every device, and restart when asked. Each flaw below has a fix or clear advice; that’s one of CISA’s conditions for listing it.
2. If someone looks after IT for you, send them this page.Many of these are in equipment you don’t see: routers, firewalls, servers, the office network. Ask them to confirm each one is fixed, or that you don’t use the product.
3. Check anything else in the lookup.Search any app, company or CVE. Not being on CISA’s list doesn’t mean safe: keep updating either way.

Every flaw, newest first

1. Being used in attacksAdded by CISA on 20 Mar 2026
   Craft CMS
   CVE-2025-32432Craft CMS Code Injection Vulnerability
   Craft CMS contains a code injection vulnerability that allows a remote attacker to execute arbitrary code.
   CISA’s required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
   CVE recordNVD
2. Being used in attacksAdded by CISA on 2 Jun 2025
   Craft CMS
   CVE-2025-35939Craft CMS External Control of Assumed-Immutable Web Parameter Vulnerability
   Craft CMS contains an external control of assumed-immutable web parameter vulnerability. This vulnerability could allow an unauthenticated client to introduce arbitrary values, such as PHP code, to a known local file location on the server. This vulnerability could be chained with CVE-2024-58136 as represented by CVE-2025-32432.
   CISA’s required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
   CVE recordNVD
3. Being used in attacksAdded by CISA on 2 Jun 2025
   Craft CMS
   CVE-2024-56145Craft CMS Code Injection Vulnerability
   Craft CMS contains a code injection vulnerability. Users with affected versions are vulnerable to remote code execution if their php.ini configuration has `register_argc_argv` enabled.
   CISA’s required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
   CVE recordNVD
4. Being used in attacksAdded by CISA on 20 Feb 2025
   Craft CMS
   CVE-2025-23209Craft CMS Code Injection Vulnerability
   Craft CMS contains a code injection vulnerability caused by improper validation of the database backup path, ultimately enabling remote code execution.
   CISA’s required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
   CVE recordNVD

From CISA’s Known Exploited Vulnerabilities catalog, updated 21 Oct 2026 (version 2026.10.21). CISA’s required actions are written for US government agencies. Craft CMS on CISA’s site.