CVE-2026-126249 Privilege escalation in FortiAuthenticator
An authenticated attacker can escalate privileges on Fortinet FortiAuthenticator due to improper privilege management.
- 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-2026-126249?
CVE-2026-126249 is a high-severity privilege escalation vulnerability in Fortinet FortiAuthenticator, published on 11 Nov 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A improper privilege management vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an authenticated attacker to escalate privileges.
Weakness: CWE-269
Which versions are affected by CVE-2026-126249?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-126249?
No fix has been published for CVE-2026-126249 yet. Limit exposure of the affected software until one is available.
Upgrade, and run services with the fewest rights they need. More about Privilege escalation.
Is CVE-2026-126249 being exploited?
There is no known exploitation of CVE-2026-126249 in the wild and no public exploit code.
Sources
Also known as GHSA-7pp5-jx7c-4jx9.