Live › vulnerability › CVE-2026-121251
A missing authorization check in the V8 JavaScript engine in Google Chrome versions before 157.0.8103.38 lets a remote attacker bypass web origin policy using a crafted HTML page. Chromium rates it Low severity, and the source does not say what data an attacker could read or change.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-03 21:19 UTC. All times on this page are UTC.
Anyone browsing with Google Chrome before 157.0.8103.38 is exposed when they open a malicious web page. Managed or enterprise Chrome fleets should be checked for the installed version. unknown for any further detail the sources do not state.
No product ranges from the sources yet.
157.0.8103.38.157.0.8103.38 or later.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Missing authorization in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
This page as .md · .json · in your agent: get_signal("CVE-2026-121251")
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