CVE-2026-21643 — Fortinet FortiClient EMS SQL Injection Vulnerability
Description
Fortinet FortiClient EMS contains a SQL injection vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://fortiguard.fortinet.com/psirt/FG-IR-25-1142 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21643
Need help remediating this vulnerability?
Our team helps organizations patch, mitigate, and respond to CISA KEV advisories fast.