FORTINET Security Advisory

Published Date: May 12, 2026

Advisory Summary

âť— SQL Injection Vulnerability in FortiMail Administrative Portal

Fortinet has disclosed a significant security vulnerability (CWE-89) in FortiMail’s administrative portal, involving improper neutralization of special elements used in SQL commands. This SQL Injection flaw, rated with a CVSSv3 score of 6.3, permits an authenticated attacker with privileged access to execute unauthorized commands or code. Exploitation requires crafted HTTP or HTTPS requests, potentially impacting the integrity and control of FortiMail systems.

🛡️ Impact & Mitigation:
IT security teams must prioritize patching or mitigation steps from Fortinet immediately to prevent unauthorized access or control. This vulnerability underscores the critical need for rigorous input validation in IT infrastructure equipment, especially in administrative interfaces where elevated privileges exist.

Stay vigilant for updates and review Fortinet’s official advisory to ensure your FortiMail deployments remain secure.

Reference: Vendor Advisory