Bug 2534636 (CVE-2026-91739)

Summary: CVE-2026-91739 chromium-browser: Google Chrome: UI spoofing via missing authorization in Transactions Platform
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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A flaw was found in the Transactions Platform component of Google Chrome. A remote attacker, after compromising the renderer process, could exploit a missing authorization vulnerability. This could allow the attacker to spoof user interface (UI) elements by crafting a malicious HTML page, potentially leading to user deception or other security impacts.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2535921, 2535925    
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Description OSIDB Bzimport 2026-09-15 22:28:44 UTC
Missing authorization in Transactions Platform in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)