VulnerabilityALERT High

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.

Impact

CISA lists CVE-2026-21643 as known exploited in the wild for Fortinet FortiClient EMS. Ransomware campaign use: Unknown. Federal remediation due date: 2026-04-16.

Recommended 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.

Published: 4/13/2026, 12:00:00 AMSource: CISA Known Exploited Vulnerabilities CatalogTags: CVE-2026-21643, Fortinet, FortiClient EMS, CISA KEV, CWE-89