Bug 2547013 (CVE-2026-106271)

Summary: CVE-2026-106271 chromium-browser: Missing authorization in Workers
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A missing authorization flaw was found in the Workers component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/553118313
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Bug Depends On: 2547591, 2547598, 2547601    
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Description OSIDB Bzimport 2026-10-06 19:22:17 UTC
Missing authorization in Workers in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)