Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-21643

CVE-2026-21643CRITICAL

Fortinet FortiClient EMS

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.1   .9372   99.8   YES

AFFECTED
  Product         Versions  Fixed
  FortiClientEMS  7.4.4 –   —

TIMELINE
  Jan 2   Reserved by fortinet
  Feb 6   Published (CNA: fortinet)
  Apr 13  Added to CISA KEV, remediation due 2026-04-16

CWE-89 · CNA: fortinet · CVSS v3.1 · 3 references · KEV due April 16, 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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
January 2, 2026	Reserved	Reserved by fortinet
February 6, 2026	Published	Published (CNA: fortinet)
April 13, 2026	KEV ADDED	Added to CISA KEV, remediation due 2026-04-16

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Fortinet	FortiClientEMS	—	7.4.4	—

Weaknesses

CWE-89

References (3)

Authoritative record: CVE-2026-21643 at cve.org

Vendors: fortinet

Weaknesses: CWE-89

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-21643 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.