Bug 2523897 (CVE-2026-78947) - CVE-2026-78947 chromium-browser: Chromium: Web origin policy bypass via crafted Chrome extension and social engineering
Summary: CVE-2026-78947 chromium-browser: Chromium: Web origin policy bypass via craft...
Keywords:
Status: NEW
Alias: CVE-2026-78947
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2524890 2524891
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-25 20:47 UTC by OSIDB Bzimport
Modified: 2026-09-25 07:48 UTC (History)
0 users

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Description OSIDB Bzimport 2026-08-25 20:47:58 UTC 
Incomplete cleanup in Chromium in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: Low)
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