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