Live › vulnerability › CVE-2026-121135
A flaw in Google Chrome's Platform component lets a remote attacker bypass web origin policy using a crafted HTML page. Chromium rates it Medium severity, and an attacker could read or act on data across sites a visitor has open.
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 builds before 157.0.8103.38 is exposed when they visit a malicious page. Managed fleets and kiosks running older Chrome builds are the main concern for businesses. Teams on current Chrome builds can skip it.
No product ranges from the sources yet.
google-chrome --version on Linux.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.
Security issue in Platform 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: Medium)
This page as .md · .json · in your agent: get_signal("CVE-2026-121135")
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