Live › vulnerability › CVE-2026-121088
Google Chrome before 157.0.8103.38 fails to check authorization in its PerformanceAPIs, so a crafted web page can read data from other websites. Chromium 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.
Any Chrome install older than 157.0.8103.38 is exposed when a user visits a malicious or compromised web page. Managed fleets that pin Chrome versions should treat it as in scope. Users on updated Chrome or on browsers that do not use this code path can skip it.
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.
Missing authorization in PerformanceAPIs in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
This page as .md · .json · in your agent: get_signal("CVE-2026-121088")
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