CVE-2026-21643
SQL Injection in Fortinet FortiClient EMS. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 13 April 2026.
- Product
- Fortinet FortiClient EMS
- Added to CISA's catalog
- Federal fix-by date
- Ransomware
- No known use in ransomware campaigns
- Vendor advisories
- Sources
- CISA’s catalog, NVD entry
CISA’s 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.
More from Fortinet this year.
- CVE-2025-61624 Path Traversal, added
- CVE-2026-104286 Path Traversal, added
- CVE-2025-25249 Heap-based Buffer Overflow, added
- CVE-2025-68686 Exposure of Sensitive Information to an Unauthorized Actor, added
- CVE-2026-39808 OS Command Injection, added
- CVE-2026-25089 OS Command Injection, added
- CVE-2026-35616 Improper Access Control, added
- CVE-2026-24858 Authentication Bypass Using an Alternate Path or Channel, added
Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.