Bug 2530466 (CVE-2026-87571)

Summary: CVE-2026-87571 chromium-browser: Google Chrome: Web Origin Policy bypass via improper certificate 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. Improper certificate validation in the Loader component allows a remote attacker, through social engineering and crafted network traffic, to bypass the web origin policy. This bypass could enable an attacker to circumvent security restrictions designed to isolate web content from different origins, potentially leading to unauthorized access or data manipulation.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2542201, 2542202, 2542206    
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Description OSIDB Bzimport 2026-09-09 01:16:06 UTC
Improper certificate validation in Loader in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. (Chromium security severity: Low)