Live › vulnerability › CVE-2026-121050
A race condition in Chrome's mobile browser on iOS lets a crafted HTML page bypass the web origin policy. An attacker who lures a user to that page can read or act on content from other sites the user has open, within the browser's sandboxed rules.
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 using Chrome on iOS before version 157.0.8103.38 who visits a malicious or compromised web page. Managed fleets of iPhones with Chrome installed are exposed the same way. Devices already on the fixed version, and users of other browsers on iOS, are not affected by this specific flaw.
No product ranges from the sources yet.
157.0.8103.38157.0.8103.38 or laterEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Race condition in Mobile in Google Chrome on on iOS 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-2026-121050")
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