Bug 2523901 (CVE-2026-79267)

Summary: CVE-2026-79267 chromium-browser: chromium-browser: Web origin policy bypass via race condition in Workers
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 chromium-browser. A race condition in the Workers component allowed a remote attacker, who had already compromised the renderer process, to bypass the web origin policy. This bypass was achieved by tricking a user into opening a specially crafted HTML page, potentially leading to unauthorized access to sensitive data or actions.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2524926    
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Description OSIDB Bzimport 2026-08-25 20:48:19 UTC
Race condition in Workers in Google Chrome 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: Medium)