Bug 2524019 (CVE-2026-79002)

Summary: CVE-2026-79002 chromium-browser: Chromium-browser: Site isolation bypass via incorrect authorization
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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's SiteIsolation component. This incorrect authorization vulnerability allows a remote attacker, who has already compromised the renderer process, to bypass site isolation by using a specially crafted HTML page. This bypass could lead to further compromise of user data or system resources.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2524890, 2524891    
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Description OSIDB Bzimport 2026-08-25 20:57:39 UTC
Incorrect authorization in SiteIsolation in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)