Improper Authorization in Google Chromium - CVE-2026-79133

 

Improper Authorization in Google Chromium - CVE-2026-79133

Published: August 26, 2026


Vulnerability identifier: #VU145714
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-2026-79133
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to improper access control in Forms when handling form-related operations. A remote attacker can trigger crafted interaction with the browser to bypass authorization checks.

User interaction is required.


Affected software

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
chromium (Debian package)

How to mitigate CVE-2026-79133

Install security update from vendor's website.

Google Chromium - update to 152.0.7977.64
Microsoft Edge - update to 152.0.4191.53
Google Chrome - addressed in versions 151.0.7922.175, 152.0.7977.64
chromium (Debian package) - update to 152.0.7977.75-1~deb13u1

External References

Related Security Bulletins