Home › Exploited CVEs › CVE-2026-21643
CVE-2026-21643: Fortinet FortiClient EMS SQL Injection Vulnerability
Fortinet FortiClient EMS · in CISA KEV since 2026-04-13
2026-04-13added to KEV
2026-04-16federal remediation due date
94.08%EPSS exploit probability (30 days) 99.8th percentile
9.8 CRITICALCVSS 3.1
Unknownknown ransomware use
66days from NVD publication to KEV
What it is
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 (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-89 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2026-02-06 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-21643.json · all KEV CVEs
Kevscope: daily CISA KEV + EPSS datasetThe whole KEV catalog joined with daily EPSS and CVSS scores as CSV/Parquet, refreshed daily. Free to download.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.