Missing Authorization in Google Chromium - CVE-2026-91739
Published: September 16, 2026
Vulnerability identifier: #VU150151
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-2026-91739
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform unauthorized actions.
The vulnerability exists due to missing authorization in the Transactions Platform when processing transactions. A remote attacker can exploit the missing authorization to perform unauthorized actions.
User interaction is required.
Affected software
Google Chromium
Google Chrome
Debian Linux
chromium (Debian package)
Google Chrome
Debian Linux
chromium (Debian package)
How to mitigate CVE-2026-91739
Install security update from vendor's website.
Google Chromium - update to 153.0.8010.47
Google Chrome - update to 153.0.8010.47
chromium (Debian package) - update to 153.0.8010.47-2~deb13u1
Google Chrome - update to 153.0.8010.47
chromium (Debian package) - update to 153.0.8010.47-2~deb13u1