DEBIAN-CVE-2026-121248: Debian/chromium vulnerability
Published Nov 3, 2026
·Updated
Incorrect authorization in API in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)
Affected Software
3 affected components
debian/chromium*
debian/chromium*
debian/chromium*
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 157.0.8103.38
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?
An attacker needs to cause use of a crafted Chrome extension. The issue can be exploited remotely to bypass system access restrictions.
2
Which deployments are identified as affected?
The affected software is Debian's chromium package. The issue applies to Google Chrome versions prior to 157.0.8103.38.
3
Is there a stated workaround if updating is not immediately possible?
No workaround or mitigation is provided in the available data. Avoid installing or using untrusted Chrome extensions until an update is available.