Live › vulnerability › CVE-2026-121102
Google Chrome before 157.0.8103.38 fails to check authorization in its BackgroundFetch feature. A remote attacker who gets a user to open 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 on desktop or Android is exposed when visiting a malicious page. Systems that do not use Chrome, or that run a patched version, are not affected.
No product ranges from the sources yet.
chrome://version; versions below 157.0.8103.38 are exposed.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 BackgroundFetch 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-2026-121102")
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