All vulnerabilities
CVE-2026-21643

Fortinet FortiClient EMS SQL Injection Vulnerability

Fortinet FortiClient EMSNetwork & edge
Open in ThreatlineRecord JSON
CVSS
9.1Critical
ExploitationExploited in the wildAdded to KEV 13 Apr 2026CISA KEV
Exploit odds (EPSS)93.9%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline16 Apr 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 6 Feb 2026, 08:24 UTCPublishedCVE List
  2. 13 Apr 2026Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templateFortinet FortiClientEMS 7.4.4 - SQL InjectionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

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.

Text from CVE List

Affected versions 1

  • FortiClientEMSaffected: 7.4.4CVE List

References 4