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【Vulnerability Alert】 FortiClient EMS Contains High-Risk Security Vulnerabilities (CVE-2026-21643 and CVE-2026-35616); Please Confirm and Apply the Patch as Soon as Possible

publish date : 2026-04-10 update date : 2026-04-10

Source: Ministry of education information & communication security contingency platform

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Publication Number TACERT-ANA-2026040901044242 Publication Time 2026/04/09 13:16
Incident Type ANA-Vulnerability Alert Discovery Time 2026/04/09 13:16
Impact Level Medium  
[Subject]
【Vulnerability Alert】 FortiClient EMS Contains High-Risk Security Vulnerabilities (CVE-2026-21643 and CVE-2026-35616); Please Confirm and Apply the Patch as Soon as Possible
[Content]
Forwarded from the National Institute of Cyber Security NISAC-200-202604-00000002

Researchers have discovered that FortiClient EMS contains a SQL Injection vulnerability (CVE-2026-21643) and an Improper Access Control vulnerability (CVE-2026-35616), both of which may allow an unauthenticated remote attacker to execute arbitrary code. Both vulnerabilities have already been exploited by attackers. Please confirm and apply the patch as soon as possible.


(Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform]

FortiClient EMS versions 7.4.x through 7.4.6

[Recommended Actions]

Update FortiClient EMS version 7.4.x to version 7.4.7 or later (inclusive).

[Reference]
1. https://nvd.nist.gov/vuln/detail/CVE-2026-21643
2. https://nvd.nist.gov/vuln/detail/CVE-2026-35616
3. https://fortiguard.fortinet.com/psirt/FG-IR-25-1142
4. https://fortiguard.fortinet.com/psirt/FG-IR-26-099
(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
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