April 13, 2026 · Applied Cybernetics Group
CVE-2026-21643 — Fortinet FortiClient EMS
Fortinet FortiClient EMS SQL Injection Vulnerability
- Added to KEV
2026-04-13- Federal due date
2026-04-16- Vendor
- Fortinet
- Product
- FortiClient EMS
- EPSS
- 98.6th percentile (score 0.685, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2026-21643
CISA short 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.