Main Vulnerability Database Vulnerabilities #VU145612

Improper access control in Google Chromium - CVE-2026-79178

Published: August 26, 2026

Vulnerability identifier: #VU145612

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-79178

CWE-ID: CWE-284

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 Web Authentication (Passkeys & Security Keys) when handling web authentication requests. A remote attacker can perform crafted authentication interactions to bypass authorization checks.

User interaction is required.

Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-79178

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