Bug 2538195 (CVE-2026-93378) - CVE-2026-93378 chromium-browser: Google Chrome: Site Isolation bypass via a crafted PDF file
Summary: CVE-2026-93378 chromium-browser: Google Chrome: Site Isolation bypass via a c...
Keywords:
Status: NEW
Alias: CVE-2026-93378
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2542236 2542237
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-22 17:24 UTC by OSIDB Bzimport
Modified: 2026-09-27 22:29 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-09-22 17:24:54 UTC 
Missing authorization in Storage in Google Chrome prior to 153.0.8010.52 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)
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