Improper access control in Google Chromium - CVE-2026-79126

 

Improper access control in Google Chromium - CVE-2026-79126

Published: August 26, 2026


Vulnerability identifier: #VU145719
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-2026-79126
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 proxy functionality.

The vulnerability exists due to improper access control in Proxy when handling browser network operations. A remote attacker can induce the browser to use the proxy functionality in an unintended way to bypass intended proxy functionality.

User interaction is required to trigger the issue.


Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-79126

Install security update from vendor's website.

Google Chromium - update to 152.0.7977.64
Google Chrome - addressed in versions 151.0.7922.175, 152.0.7977.64

External References

Related Security Bulletins