DEBIAN-CVE-2026-121108: Debian/chromium vulnerability
Published Nov 3, 2026
·Updated
Confused deputy in BackgroundFetch in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially bypass web origin policy via a crafted HTML page. (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
Who is exposed to this issue?
Users of Debian's chromium package are exposed if they use a version of Google Chrome prior to 157.0.8103.38. Exploitation requires the user to load an attacker-crafted HTML page.
2
What could an attacker achieve?
A remote attacker may be able to bypass web origin policy through the BackgroundFetch feature. The issue is rated Medium severity by Chromium.