Live › vulnerability › CVE-2026-121059
A flaw in Chrome's Core component lets a crafted HTML page leak data from other websites, which the sources describe as cross-origin data. The Chromium project rates it Medium 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 before 157.0.8103.38 who visits a page an attacker controls. Exposure depends on the browser version and on visiting untrusted sites, not on server configuration. Teams that manage browsers should confirm managed endpoints are updated.
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.
Information leak in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
This page as .md · .json · in your agent: get_signal("CVE-2026-121059")
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