Bug 2523930 (CVE-2026-79243)

Summary: CVE-2026-79243 chromium-browser: Google Chrome: Web Origin Policy bypass via improper input validation
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Google Chrome's ReadingList component. This improper input validation vulnerability allows a remote attacker, who has already compromised the renderer process, to bypass the web origin policy. This bypass could enable unauthorized access to data or functionality that should be restricted to specific web domains, by using a specially crafted HTML page.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2524907, 2524909    
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Description OSIDB Bzimport 2026-08-25 20:50:15 UTC
Improper input validation in ReadingList in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)