Bug 2571984 (CVE-2026-126862)

Summary: CVE-2026-126862 chromium-browser: chromium-browser: Web origin policy bypass via co-installed application
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 Google Chrome on Android. Improper input validation in the Core component allows a local attacker to bypass web origin policy restrictions using a co-installed application. This vulnerability may allow a malicious application on the device to access sensitive data across different web domains or perform unauthorized actions.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2572147, 2572148    
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Description OSIDB Bzimport 2026-11-11 22:53:19 UTC
Improper input validation in Core in Google Chrome on on Android prior to 157.0.8103.78 allowed a local attacker to bypass web origin policy via a co-installed app. (Chromium security severity: High)