DEBIAN-CVE-2026-121174: Debian/chromium vulnerability
Published Nov 3, 2026
·Updated
Missing authorization in BackgroundFetch in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
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 must an attacker do to exploit this issue?
The attacker must cause a user to load a crafted HTML page remotely. The issue is in Chrome's BackgroundFetch functionality and can be used to bypass the web origin policy.
2
Which Debian Chromium versions are affected?
Debian Chromium versions prior to 157.0.8103.38 are affected, based on the available vulnerability data.