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8.2

Chrome before 155.0.8059.39 may let attackers bypass site restrictions

CVE-2026-106198 · published 29 days ago
Summary

Versions of Google Chrome and Debian Chromium older than 155.0.8059.39 can allow a malicious web page to escape the normal separation between websites. This could let an attacker who has already gained limited access to the browser read data from other sites. Upgrade the browser to the latest release to close the gap.

What to do
  • Update google chrome to version 155.0.8059.39 or later.
Affected software
Ecosystem VendorProductAffected versions
– google chrome < 155.0.8059.39
Debian:12 debian chromium All versions
Original advisory text
DEBIAN-CVE-2026-106198
Missing authorization in FileSystem in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
References
Severity
8.2 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-862Missing Authorization
Timeline
Published6 Oct 2026
Updated4 Nov 2026
First seen6 Oct 2026
Sources
CVE-2026-106198 · NVD
CVE-2026-106198 · MITRE
DEBIAN-CVE-2026-106198 · OSV
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