Bug 2571973 (CVE-2026-126866) - CVE-2026-126866 chromium-browser: Incorrect authorization in Extensions
Summary: CVE-2026-126866 chromium-browser: Incorrect authorization in Extensions
Keywords:
Status: NEW
Alias: CVE-2026-126866
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2572407 2572412
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-11-11 22:52 UTC by OSIDB Bzimport
Modified: 2026-11-12 14:00 UTC (History)
0 users

Fixed In Version:
Clone Of:
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Last Closed:
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Description OSIDB Bzimport 2026-11-11 22:52:43 UTC 
Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.78 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted Chrome extension. (Chromium security severity: High)
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