CVE-2026-21643 - Fortinet FortiClient EMS
AI Vulnerability ContextAn 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.
Overview
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CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.
Vulnerability status
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CISA KEVCRITICAL
- CVE ID
- CVE-2026-21643
- Vendor/project
- Fortinet
- Product
- FortiClient EMS
- Vulnerability name
- Fortinet FortiClient EMS SQL Injection Vulnerability
- Date added
- 2026-04-13
- Due date
- 2026-04-16
- Known ransomware campaign use
- Unknown
- CVSS v3
- 9.8
CWE-89
Exploit context
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Source evidence
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Original source
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NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2026-21643CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-datapsirt@fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-25-1142134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/0xBlackash/CVE-2026-21643/blob/main/cve-2026-21643.py134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21643