Bug 2523849 (CVE-2026-79082)

Summary: CVE-2026-79082 chromium-browser: Chromium: Web origin policy bypass via incorrect authorization
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 flaw was found in the Transactions Platform of Google Chrome. An attacker who has compromised the renderer process could exploit an incorrect authorization vulnerability by crafting a malicious HTML page. This could allow them to bypass the web origin policy, potentially leading to unauthorized access to sensitive information or actions across different web origins.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2524890, 2524891    
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Description OSIDB Bzimport 2026-08-25 20:44:06 UTC 
Incorrect authorization in Transactions Platform in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)