DEBIAN-CVE-2026-121102: 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: 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 run a version prior to 157.0.8103.38 and visit an attacker-controlled or crafted HTML page.
2
What does an attacker need to exploit it?
The attacker needs to induce the victim to load a crafted HTML page remotely. No additional attacker prerequisites are stated in the available data.
3
What security boundary could be bypassed?
Successful exploitation can bypass the web origin policy through missing authorization in BackgroundFetch.