9.8

CVE-2026-21643

Warning
Media report
Exploit
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.
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Data is provided by the National Vulnerability Database (NVD)
Fortinet ≫ Forticlientems Version7.4.4

13.04.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

Fortinet SQL Injection Vulnerability

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.

Description

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Required actions
EPSS Metrics
Type Source Score percentile
EPSS FIRST.org 13.7% 0.943
CVSS Metrics
Source Base Score Exploit Score Impact Score Vector string
psirt@fortinet.com 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.