Bug 2530459 (CVE-2026-87429)

Summary: CVE-2026-87429 chromium-browser: Chromium: Missing authorization in ServiceWorker allows system access bypass
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
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in the ServiceWorker component of Chromium. A remote attacker, after compromising the renderer process, could exploit a missing authorization vulnerability by crafting a malicious HTML page. This could allow the attacker to bypass system access restrictions.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2542199, 2542200    
Bug Blocks:    

Description OSIDB Bzimport 2026-09-09 01:15:45 UTC
Missing authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)