Improper access control in Google Chromium - CVE-2026-113129
Published: October 21, 2026
Vulnerability identifier: #VU156396
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-113129
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass access restrictions and potentially gain unauthorized access.
The vulnerability exists due to improper access control in the Extensions component when enforcing access restrictions. A remote attacker can perform operations without adequate authorization checks to potentially access restricted resources or functionality.
Affected software
Google Chromium
Google Chrome
Debian Linux
chromium (Debian package)
Google Chrome
Debian Linux
chromium (Debian package)
How to mitigate CVE-2026-113129
Install security update from vendor's website.
Google Chromium - update to 156.0.8078.47
Google Chrome - update to 156.0.8078.47
chromium (Debian package) - update to 156.0.8078.47-1~deb13u1
Google Chrome - update to 156.0.8078.47
chromium (Debian package) - update to 156.0.8078.47-1~deb13u1