CVE-2026-126183 Missing authorization in FortiManager
Authenticated attackers can send crafted HTTP requests to FortiManager to execute commands outside their authorized scope.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-126183?
CVE-2026-126183 is a high-severity missing authorization vulnerability in Fortinet FortiManager, published on 11 Nov 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A authorization bypass through user-controlled key vulnerability in Fortinet FortiManager 8.0.0 through 8.0.1, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager 7.2.0 through 7.2.12, FortiManager Cloud 8.0.1, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11, FortiManager Cloud 7.2.1 through 7.2.12 may allow an authenticated attacker to execute commands outside of the expected scope via specially crafted HTTP request.
Weakness: CWE-639
Which versions are affected by CVE-2026-126183?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-126183?
No fix has been published for CVE-2026-126183 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-126183 being exploited?
There is no known exploitation of CVE-2026-126183 in the wild and no public exploit code.
Sources
Also known as GHSA-83j8-m545-7j8q.