DEBIAN-CVE-2026-121103: Debian/chromium vulnerability
Published Nov 3, 2026
·Updated
Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted Chrome extension. (Chromium security severity: Medium)
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 induce use of a crafted Chrome extension. The issue could then allow that extension to obtain cross-origin data.
2
Which installations should be prioritized for update?
Debian systems running Chromium versions earlier than 157.0.8103.38 should be prioritized, particularly where users can install or run untrusted extensions.