# CVE-2026-126164: Fortinet FortiMail SQL injection

Source: https://junglewise.ai/threats/cve-2026-126164-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-2026-126164 · Severity: critical · CVSS 9.4 · Published 2026-11-11

FortiMail is an email security appliance that filters and inspects incoming and outgoing mail. An unauthenticated attacker can exploit a SQL injection flaw in the API to execute arbitrary code or commands on the appliance, potentially compromising email data and enabling further attacks on the network.

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

## Quick answers

**Is CVE-2026-126164 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-126164 being exploited in the wild.

**How severe is CVE-2026-126164?** Critical severity, with a CVSS score of 9.4, published 11 November 2026.

**Which products and versions are affected?** Fortinet FortiMail 8.0.0 through 8.0.1, 7.6.0 through 7.6.6, 7.4.0 through 7.4.8, 7.2 all versions.

**Is there a fix for CVE-2026-126164?** Yes: fixed in FortiMail 8.0.2, 7.6.7, 7.4.9; FortiMail 7.2 requires migration to a fixed release. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-126164 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-126164?** Check whether you run Fortinet FortiMail 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 FortiMail 8.0.2, 7.6.7, 7.4.9; FortiMail 7.2 requires migration to a fixed release

## Technical details

A SQL injection vulnerability (CWE-89) in the FortiMail API allows unauthenticated attackers to inject malicious SQL commands via crafted requests, leading to unauthorized code execution. No authentication or user interaction is required; the attack vector is network-accessible. A successful exploit grants the attacker the ability to execute arbitrary commands on the appliance, potentially compromising mail data, user credentials, and system integrity.

## Affected products

- Fortinet FortiMail 8.0.0 through 8.0.1, 7.6.0 through 7.6.6, 7.4.0 through 7.4.8, 7.2 all versions

## Timeline

- 2026-11-10: disclosed
- 2026-10-05: patched: FortiMail Cloud remediated

## References

- [https://fortiguard.fortinet.com/psirt/FG-IR-26-216](https://fortiguard.fortinet.com/psirt/FG-IR-26-216)

## Related threats

- [Fortinet FortiMail SQL injection](https://junglewise.ai/threats/cve-2026-126263-a-improper-neutralization-of-special-elements-used-in-an-sql)
- [Fortinet FortiMail argument injection in administrative interface](https://junglewise.ai/threats/cve-2026-126169-a-improper-neutralization-of-argument-delimiters-in-a-command)
- [Fortinet FortiMail argument injection in administrative interface](https://junglewise.ai/threats/cve-2026-126168-a-improper-neutralization-of-argument-delimiters-in-a-command)
- [Fortinet FortiMail command injection in admin GUI](https://junglewise.ai/threats/cve-2026-126167-a-improper-neutralization-of-special-elements-used-in-a-command)
- [Fortinet FortiMail argument injection in admin interface](https://junglewise.ai/threats/cve-2026-126166-a-improper-neutralization-of-argument-delimiters-in-a-command)