Authorization bypass through user-controlled key in femanager - CVE-2026-77135
Published: August 26, 2026
Vulnerability identifier: #VU145410
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-77135
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the user detail view fails to verify that a requested user record matches the configured or logged-in target. A remote user can supply an arbitrary user ID and retrieve another frontend user's profile data.
Affected software
femanager
How to mitigate CVE-2026-77135
Install updates from vendor's website.
femanager - addressed in versions 6.4.5, 7.5.5, 8.4.2, 13.3.5