Missing Authorization in Google Chromium - CVE-2026-95301

Vulnerability identifier: #VU151700

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-2026-95301

CWE-ID: CWE-862

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform unauthorized actions.

The vulnerability exists due to missing authorization in Extensions when interacting with extension functionality. A remote attacker can invoke functionality without required authorization to perform unauthorized actions.

User interaction is required.

Google Chromium
Google Chrome
Debian Linux
Fedora
Chrome OS
chromium
chromium (Debian package)

Install security update from vendor's website.

Google Chromium - update to 154.0.8037.57
Google Chrome - update to 154.0.8037.57
chromium - addressed in versions 154.0.8037.57-1.el9, 154.0.8037.57-1.el10_2, 154.0.8037.57-1.el10_3, 154.0.8037.57-1.el10_4, 154.0.8037.57-1.fc43, 154.0.8037.57-1.fc44, 154.0.8037.57-1.fc45
Chrome OS - update to 154.0.8037.151
chromium (Debian package) - update to 154.0.8037.57-1~deb13u1

• https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0856730748.html
• https://issues.chromium.org/issues/540265100

• Multiple vulnerabilities in Google Chrome
• Fedora EPEL 10.3 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 45 update for chromium
• Fedora 44 update for chromium
• Fedora EPEL 10.4 update for chromium
• Fedora 43 update for chromium
• Debian update for chromium
• Fedora EPEL 10.2 update for chromium
• Multiple vulnerabilities in Google ChromeOS