【Security Advisory】FortiClient EMS Contains a Critical Information Security Vulnerability (CVE-2026-21643)

publish date : 2026-02-24 update date : 2026-02-24

Source: Ministry of education information & communication security contingency platform

"" "" ""

Publication Number TACERT-ANA-2026021201022929 Publication Time 2026/02/12 13:55
Incident Type ANA-Vulnerability Alert Discovery Time 2026/02/12 13:55
Impact Level Low  
[Subject]
【Security Advisory】FortiClient EMS Contains a Critical Information Security Vulnerability (CVE-2026-21643)
[Content]
Forwarded from TWCERTCC-200-202602-00000007

FortiClient EMS is an endpoint management server developed by Fortinet, used for centrally managing FortiClient agents and supporting endpoint deployment, configuration, and monitoring. A critical security vulnerability has recently been disclosed (CVE-2026-21643, CVSS: 9.8). This vulnerability is an SQL injection flaw that may allow an unauthenticated attacker to execute unauthorized code or commands through specially crafted HTTP requests.

(Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform]
FortiClient EMS versions up to and including 7.4.4
[Recommended Actions]
Please update to the following version: FortiClient EMS 7.4.5 (including 7.4.5) or later
[Reference]
https://www.twcert.org.tw/tw/cp-169-10709-e99a2-1.html
(This notification is for informational purposes only and does not constitute a cybersecurity incident).
If you have questions or suggestions regarding this notification, please feel free to contact us.
Ministry of education information & communication security contingency platform
Website: https://info.cert.tanet.edu.tw/
Phone: +886-7-5250211
Internet Phone: 98400000
E-Mail: service@cert.tanet.edu.tw
Organizer: Computer Center