CVE-2026-21643
CriticalActively exploited (CISA KEV)
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Fortinet FortiClient EMS
PublishedFeb 6, 2026
First seenFeb 6, 2026
Added to KEVApr 13, 2026
Weakness typeCWE-89SQL injection
How to fix
CISA 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.
CISA due date: Apr 16, 2026Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fortinet forticlientems | 7.4.4 | — |
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