# CVE-2026-126241: Fortinet FortiAuthenticator SQL injection in API

Source: https://junglewise.ai/threats/cve-2026-126241-a-improper-neutralization-of-special-elements-used-in-an-sql  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-11. Updated: 2026-11-11  
License: CC BY 4.0 with a link back

CVE-2026-126241 · Severity: high · CVSS 8.8 · Published 2026-11-11

FortiAuthenticator is an authentication and identity management appliance used to control access to corporate resources. A SQL injection vulnerability in its API allows authenticated attackers to execute arbitrary database commands, potentially exposing or manipulating sensitive authentication data and user credentials stored in the system.

Technologies: [Fortinet FortiAuthenticator](https://junglewise.ai/threats/technologies/fortiauthenticator). Vendors: [Fortinet](https://junglewise.ai/threats/vendors/fortinet).

## Quick answers

**Is CVE-2026-126241 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-126241 being exploited in the wild.

**How severe is CVE-2026-126241?** High severity, with a CVSS score of 8.8, published 11 November 2026.

**Which products and versions are affected?** Fortinet FortiAuthenticator 8.0.0 through 8.0.3; 6.6.0 through 6.6.10; 6.5.2 through 6.5.7.

**Is there a fix for CVE-2026-126241?** Yes: fixed in FortiAuthenticator 8.0.4 or above; 6.6.11 or above; 6.5 versions require migration to a fixed release. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-126241 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-126241?** Check whether you run Fortinet FortiAuthenticator at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in FortiAuthenticator 8.0.4 or above; 6.6.11 or above; 6.5 versions require migration to a fixed release

## Technical details

An improper neutralization of special elements in SQL command input (CWE-89) in the FortiAuthenticator API allows an authenticated attacker to inject malicious SQL code. The vulnerability affects versions 8.0.0 through 8.0.3 and 6.6.0 through 6.6.10. Exploitation requires valid authentication credentials and results in unauthorized database command execution.

## Affected products

- Fortinet FortiAuthenticator 8.0.0 through 8.0.3; 6.6.0 through 6.6.10; 6.5.2 through 6.5.7

## Timeline

- 2026-11-10: disclosed

## References

- [https://fortiguard.fortinet.com/psirt/FG-IR-26-256](https://fortiguard.fortinet.com/psirt/FG-IR-26-256)

## Related threats

- [Fortinet FortiAuthenticator hard-coded password authentication bypass](https://junglewise.ai/threats/cve-2026-126257-a-use-of-hard-coded-password-vulnerability-in-fortinet)
- [Fortinet FortiAuthenticator SQL injection](https://junglewise.ai/threats/cve-2026-126252-a-improper-neutralization-of-special-elements-used-in-an-sql)
- [Fortinet FortiAuthenticator incorrect authorization](https://junglewise.ai/threats/cve-2026-126251-a-incorrect-authorization-vulnerability-in-fortinet)
- [Fortinet FortiAuthenticator authorization bypass DoS](https://junglewise.ai/threats/cve-2026-126250-a-incorrect-authorization-vulnerability-in-fortinet)
- [Fortinet FortiAuthenticator privilege escalation in GUI](https://junglewise.ai/threats/cve-2026-126249-a-improper-privilege-management-vulnerability-in-fortinet)