⚠ Actively exploited
Added to CISA KEV on 2026-04-13. Federal agencies required to patch by 2026-04-16. 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..
CVE-2026-21643
Severity
9.8CRITICAL
EPSS
13.7%
top 5.74%
CISA KEV
KEV
Added 2026-04-13
Due 2026-04-16
Exploit
PoC available
Public exploit / PoC exists
Affected products
Timeline
PublishedFeb 6
KEV addedApr 13
KEV dueApr 16
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.
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages2 packages
🔴Vulnerability Details
4GHSA▶
GHSA-r6vr-hwpr-qqch: An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7↗2026-02-06
CVEList▶
CVE-2026-21643: An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7↗2026-02-06
VulnCheck▶
Fortinet forticlientems Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')↗2026
💥Exploits & PoCs
1Nuclei▶
Fortinet FortiClientEMS 7.4.4 - SQL Injection