Live › vulnerability › CVE-2026-121236
Google Chrome's network component fails to validate input properly, so a crafted HTML page can get past web origin restrictions. An attacker who lures a user to that page could read or act on data from another site, and Chromium rates it Low severity.
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 older than 157.0.8103.38 on desktop. Exposure requires the user to visit a page the attacker controls, so managed browsers that block such sites are less exposed.
No product ranges from the sources yet.
157.0.8103.38 or later157.0.8103.38 or laterEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Improper input validation in Network 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-2026-121236")
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