Bug 2530293 (CVE-2026-87611)

Summary: CVE-2026-87611 chromium-browser: Google Chrome: Cross-origin data disclosure via missing authorization in FileSystem
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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OS: Linux   
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A flaw was found in Google Chrome. Missing authorization in the FileSystem component allows a remote attacker, who has already compromised the renderer process, to obtain sensitive cross-origin data. This can be achieved by enticing a user to visit a specially crafted HTML page.
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Description OSIDB Bzimport 2026-09-09 01:03:44 UTC
Missing authorization in FileSystem in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)