Missing Authorization in Google Chromium - CVE-2026-87429

Vulnerability identifier: #VU148660

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-2026-87429

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 ServiceWorker when handling service worker operations. A remote attacker can induce a victim to interact with browser content to perform unauthorized actions.

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

Install security update from vendor's website.

Google Chromium - update to 153.0.8010.36
Microsoft Edge - update to 153.0.4234.32
Google Chrome - update to 153.0.8010.36
chromium - addressed in versions 153.0.8010.36-1.el9, 153.0.8010.36-1.el10_2, 153.0.8010.36-1.el10_3, 153.0.8010.36-1.el10_4, 153.0.8010.36-1.fc43, 153.0.8010.36-1.fc44, 153.0.8010.36-1.fc45
chromium (Debian package) - update to 153.0.8010.47-2~deb13u1

• https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
• https://crbug.com/497025031

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