Bug 2523799 (CVE-2026-79222)

Summary: CVE-2026-79222 chromium-browser: Google Chrome CustomTabs: Incorrect authorization allows web origin policy bypass
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in CustomTabs in Google Chrome on Android. A local attacker, through a co-installed application, could exploit an incorrect authorization vulnerability to bypass the web origin policy. This could lead to unauthorized access to sensitive information or actions within the browser's context.
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Description OSIDB Bzimport 2026-08-25 20:35:52 UTC
Incorrect authorization in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to bypass web origin policy via a co-installed app. (Chromium security severity: Medium)