FortiClient and EMS

CVE-2026-21643: FortiClient EMS SQL Injection

An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7.4.4 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests.

Published

ExploitedYes, in CISA KEVAdded 13 Apr 2026
Ransomware useNot reportedPer CISA
SeverityCRITICALCVSS 3.1 9.1
EPSS94%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
FortiClientEMS 7.47.4.5 or later

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7.4.4 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests.

Exploitation

CISA lists this CVE as exploited in the wild since 13 Apr 2026.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.

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