CVE-2026-21643

Fortinet FortiClient EMS SQL Injection Vulnerability

Fortinet — FortiClient EMS

Added to KEV catalog: 13 April 2026
Federal remediation due date: 16 April 2026
Weakness classification (CWE): CWE-89

CISA Description

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.

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.

Notes

https://fortiguard.fortinet.com/psirt/FG-IR-25-1142 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21643

View on NVD View on MITRE CVE View full CISA catalog

More Fortinet Vulnerabilities

CVE-2026-35616

Fortinet FortiClient EMS Improper Access Control Vulnerability

CVE-2026-24858

Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel Vulnerability

CVE-2025-59718

Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability

CVE-2025-58034

Fortinet FortiWeb OS Command Injection Vulnerability

CVE-2025-64446

Fortinet FortiWeb Path Traversal Vulnerability

Confirm Your Exposure

Is this vulnerability present in your environment?

CRS delivers independent VAPT assessments that identify exactly which known-exploited vulnerabilities exist in your network, applications, and infrastructure.

Explore VAPT Services