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OpenAdvisories
High · 8.1 CVE-2026-121063 EUVD-2026-116449GHSA-75m4-hjgg-8vjj

Incorrect authorization in CacheStorage in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer …

Published Nov 3, 2026 · Updated Nov 9, 2026 · Assigned by Chrome

Description

Incorrect authorization in CacheStorage in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

Affected products

VendorProductAffectedFixed
Google Chrome 157.0.8103.38 – < 157.0.8103.38 157.0.8103.38

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 chromium No fix yet —
Debian 13 chromium No fix yet —
Debian 12 chromium No fix yet —
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed chromium 157.0.8103.38-1.1 openSUSE-SU-2026:12426-1

Advisories 2

References