DEBIAN-CVE-2026-121253: Debian/chromium vulnerability
Published Nov 3, 2026
·Updated
Missing authorization in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass site isolation via a crafted Chrome extension. (Chromium security severity: Low)
Affected Software
3 affected components
debian/chromium*
debian/chromium*
debian/chromium*
Event History
Nov 3, 2026
CVE Published
via OSV·09:17 PM
Data Sourced
via OSV·09:17 PM
DescriptionAffected Software
Frequently Asked Questions
1
What does an attacker need to exploit this issue?
The attacker needs to use social engineering to get the target to interact with a crafted Chrome extension. The issue is remotely exploitable through that extension.
2
Which Chrome versions are affected?
Google Chrome versions prior to 157.0.8103.38 are affected. Updating to version 157.0.8103.38 or later addresses the described issue.
3
What security boundary can this vulnerability bypass?
A successful exploit can bypass Chrome site isolation. The vulnerability is described as missing authorization in DevTools.