Bug 2485272 (CVE-2026-11278)

Summary: CVE-2026-11278 chromium-browser: Inappropriate implementation in CustomTabs
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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An inappropriate implementation flaw was found in the CustomTabs component of the Chromium browser. Upstream bug(s): https://code.google.com/p/chromium/issues/detail?id=501859865
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2486043, 2486044, 2486052    
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Description OSIDB Bzimport 2026-06-05 00:15:41 UTC
Inappropriate implementation in CustomTabs in Google Chrome on Android prior to 149.0.7827.53 allowed a local attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)