CVE-2026-126241 SQL injection in FortiAuthenticator
Authenticated attackers can execute unauthorized SQL commands on the FortiAuthenticator database.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- 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-2026-126241?
CVE-2026-126241 is a high-severity SQL injection vulnerability in Fortinet FortiAuthenticator, published on 11 Nov 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A improper neutralization of special elements used in an sql command ('sql injection') 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 execute unauthorized SQL commands on the underlying database.
Weakness: CWE-89
Which versions are affected by CVE-2026-126241?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-126241?
No fix has been published for CVE-2026-126241 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-126241 being exploited?
There is no known exploitation of CVE-2026-126241 in the wild and no public exploit code.
Sources
Also known as GHSA-4xrv-w6w4-8828.