CVE-2026-21643 - Fortinet FortiClient EMS SQL Injection Vulnerability
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.
- Severity
- critical
- Product
- Fortinet FortiClient EMS
- Published
- 2026-04-13
- EPSS
- 0.939
- CISA KEV
- Known exploited
- Ransomware
- Known campaign use
References and validation
- https://github.com/search?q=CVE-2026-21643&type=repositories
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-21643.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2026-21643
Entries are refreshed from CISA KEV and FIRST EPSS. Validate applicability before testing.