Chrome <153.0.8010.36 WebAuth Bypass via Extension Auth Flaw
CVE-2026-87561 Published on September 9, 2026
Incorrect authorization in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: Low)
Vulnerability Analysis
CVE-2026-87561 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-87561 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-87561
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Affected Versions
Google Chrome:- Version 153.0.8010.36 and below 153.0.8010.36 is affected.