CVE-2026-21643

State: Published
Severity: 9.1 Critical
Published: Feb 6, 2026
Updated: Apr 14, 2026
Reserved: Jan 2, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C	fortinet

Weaknesses

CWE-89 Execute unauthorized code or commands

Affected Products

Product	Versions
FortiClientEMSFortinet	7.4.4Affected

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-1142
https://github.com/0xBlackash/CVE-2026-21643/blob/main/cve-2026-21643.pyexploit
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21643government-resource

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