critical9.8Known exploited
CVE-2026-21643
Fortinet FortiClient EMS SQL Injection Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-04-13. Federal due date: 2026-04-16.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Fortinet | Forticlientems | Version 7.4.4 |