Authorization bypass through user-controlled key in FortiManager - CVE-2026-126218
Published: November 11, 2026
Vulnerability identifier: #VU165276
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-126218
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to read and manipulate data.
The vulnerability exists due to authorization bypass through user-controlled key. A remote authenticated attacker with admin permission can elevate their privileges to root via crafted HTTP requests.
Affected software
FortiManager
How to mitigate CVE-2026-126218
Install update from vendor's website.
FortiManager - addressed in versions 7.4.12, 7.6.8, 8.0.2