Critical SEVERITY — Vulnerability

CVE-2026-21643 — Fortinet FortiClient EMS SQL Injection 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.

Platform
FortiGate / FortiOS
CVE Record
CVE-2026-21643
Advisory
CISA-KEV
Published
13 April 2026
Views
3
Primary source: Review the official advisory at nvd.nist.gov Kaynağa Git

Status

This vulnerability is listed in the CISA Known Exploited Vulnerabilities catalog as verified by CISA to be actively exploited. Not a theoretical risk — it is being used in the wild.

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.

Details

  • Manufacturer: Fortinet
  • Product: FortiClient EMS
  • Added to catalog: 2026-04-13

CISA-Mandated 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.

  • Deadline for federal agencies: 2026-04-16
Fortinet FortiClient EMS

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