Authorization bypass through user-controlled key in FortiManager - CVE-2026-126183

 

Authorization bypass through user-controlled key in FortiManager - CVE-2026-126183

Published: November 11, 2026


Vulnerability identifier: #VU165261
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-126183
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote privileged user to damange or delete data.

The vulnerability exists due to authorization bypass through user-controlled key in GUI. An authenticated attacker can execute commands outside of the expected scope via specially crafted HTTP request.


Affected software

FortiManager

How to mitigate CVE-2026-126183

Install update from vendor's website.

FortiManager - addressed in versions 7.2.13, 7.4.12, 7.6.8, 8.0.2

External References

Related Security Bulletins