AdvisoriesCVE-2026-21643

Fortinet FortiClient EMS SQL Injection Vulnerability

FortinetFortiClient EMSAdded April 13, 2026

CISA Known Exploited Vulnerabilities Data

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.

CISA Due Date

April 16, 2026 (federal agency requirement)

Known Ransomware Campaign Use

Unknown

Notes

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

External References

View on CISA KEV View CVE-2026-21643 on NVD Search MITRE ATT&CK

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Data sourced from the CISA Known Exploited Vulnerabilities catalog. CISA does not endorse any commercial product or service.