Improper Authorization in Google Chromium - CVE-2026-91735
Published: September 16, 2026
Vulnerability identifier: #VU150133
CSH Severity: Medium
CVSS v4: 7.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-91735
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to incorrect authorization in WebUI in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and execute arbitrary code.
Affected software
Google Chromium
Google Chrome
Debian Linux
Chrome OS
chromium (Debian package)
Google Chrome
Debian Linux
Chrome OS
chromium (Debian package)
How to mitigate CVE-2026-91735
Install update from vendor's website.
Google Chromium - update to 153.0.8010.47
Google Chrome - update to 153.0.8010.47
Chrome OS - update to 150.0.7871.287
chromium (Debian package) - update to 153.0.8010.47-2~deb13u1
Google Chrome - update to 153.0.8010.47
Chrome OS - update to 150.0.7871.287
chromium (Debian package) - update to 153.0.8010.47-2~deb13u1