Improper access control in Google Chromium - CVE-2026-113159

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Main Vulnerability Database Vulnerabilities #VU156527

Improper access control in Google Chromium - CVE-2026-113159

Published: October 21, 2026


Vulnerability identifier: #VU156527
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-2026-113159
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass intended access restrictions, potentially gaining unauthorized access to protected functionality.

The vulnerability exists due to improper access control in Google Chrome DevTools when enforcing access restrictions. A remote attacker can attempt operations without adequate authorization checks to potentially access restricted functionality.


Affected software

Google Chromium
Google Chrome
Debian Linux
chromium (Debian package)

How to mitigate CVE-2026-113159

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

External References

Related Security Bulletins