Home / Items
VulnerabilityKnown exploitedSeverity 9.1 criticalExploit likelihood 98%
Fortinet FortiClient EMS SQL Injection Vulnerability
CVE-2026-21643 · CISA KEV · April 13, 2026
Summary
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.
From CISA, quoted as published. Check the source before acting.
What to do
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 required action, quoted.
Affected products
| Vendor | Product |
|---|---|
| Fortinet | FortiClientEMS |
Why it's on these mode pages
- Maritime: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
Change history
- November 9, 2026: First collected by Watch
Securidigm Scout can match advisories like this one to the equipment on your own network, offline. securidigm.com