Should you update to Brave 1.91.178?
No: install Brave 1.99.55 instead. Brave 1.91.178 is a security update Brave released on 24 Jun 2026 for Mac, Windows and Linux. It fixes 18 security flaws, 4 rated critical and 14 high by Brave.[1] None of them is known to be used in attacks.
It has since been replaced by Brave 1.91.180, released 26 Jun 2026, which includes all of its fixes. If you’re on an older version, install that instead.
Should you update?
No: install Brave 1.99.55 instead. Brave 1.99.55 came out on 4 Nov 2026 and includes every fix in Brave 1.91.178, so there’s no reason to stop at this one. Software Update offers the newest version your device can run.
Is Brave 1.91.178 still safe?
Not any more. The 28 updates since, up to Brave 1.99.55, fix 2,677 security flaws that Brave 1.91.178 doesn’t, and each became public the day its fix shipped. Installing it is safe: get it only from Brave’s own About Brave page, never from a link in an email, text or pop-up.
What it fixes
Brave lists 18 security flaws, 4 rated critical and 14 high by Brave.[1] The 18 critical and high ones are:
| Flaw | Severity | What Brave calls it |
|---|---|---|
CVE-2026-13028 | Critical | Use after free in WebGL |
CVE-2026-13032 | Critical | Use after free in WebGL |
CVE-2026-13033 | Critical | Out of bounds read in Blink>InterestGroups |
CVE-2026-13038 | Critical | Use after free in Autofill |
CVE-2026-13021 | High | Inappropriate implementation in DeviceBoundSessionCredentials |
CVE-2026-13022 | High | Inappropriate implementation in Autofill |
CVE-2026-13023 | High | Uninitialized Use in GPU |
CVE-2026-13024 | High | Insufficient validation of untrusted input in Navigation |
CVE-2026-13025 | High | Insufficient validation of untrusted input in DevTools |
CVE-2026-13026 | High | Use after free in Digital Credentials |
CVE-2026-13027 | High | Use after free in FileSystem |
CVE-2026-13029 | High | Use after free in Web Authentication |
CVE-2026-13030 | High | Uninitialized Use in GPU |
CVE-2026-13031 | High | Use after free in Blink |
CVE-2026-13034 | High | Inappropriate implementation in Passwords |
CVE-2026-13035 | High | Use after free in Bluetooth |
CVE-2026-13036 | High | Use after free in Blink |
CVE-2026-13037 | High | Use after free in WebView |
How to update, and how long it takes
A minute or two. Brave restarts and reopens your tabs.
- Open Brave and click the ☰ menu at the top right.Choose About Brave. Brave looks for the update and downloads it by itself.
- Click Relaunch.Brave closes and opens again with the same tabs.
To check it worked: ☰ menu → About Brave: it shows the version, like 1.84.135, and the Chromium it’s built on. It should say 1.91.180 or later.
1.91.175 vs 1.91.178
Brave 1.91.175, released 17 Jun 2026, fixed 33 security flaws. Brave 1.91.178 fixes 18 security flaws and includes the fixes before it, so going straight to 1.91.178 gets you both.
- Before: Brave 1.91.175, 17 Jun 2026, 33 security flaws
- After: Brave 1.91.180, 26 Jun 2026, 3 security flaws
- Brave updates, every release and the latest version
- Updates, the latest version of everything HARD tracks
References
- ^ Brave. “Brave Release v1.91.178 (Chromium 149.0.7827.196)”, 24 Jun 2026.