Live › vulnerability › CVE-2026-121171
Google Chrome versions before 157.0.8103.38 have a confused deputy flaw in DevTools. A remote attacker who tricks a user into opening a crafted HTML page can bypass web origin policy.
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 running Google Chrome before 157.0.8103.38 is exposed, since the flaw is in the browser's DevTools component. Exploitation requires social engineering to get the user to visit a crafted HTML page. Systems on managed or auto-updating Chrome that already run the fixed version can skip it.
No product ranges from the sources yet.
chrome://version in the address bar.157.0.8103.38 or later.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.
Confused deputy in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
This page as .md · .json · in your agent: get_signal("CVE-2026-121171")
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