Fortinet fixes a critical, actively exploited vulnerability

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[TLP:CLEAR] Fortinet fixes a critical, actively exploited vulnerability

Fortinet fixes a critical, actively exploited vulnerability in FortiClientEMS. The full fix will be part of the upcoming version 7.4.7 [1]; as a temporary fix for the current versions 7.4.5 and 7.4.6, the patches available at [2] and [3] must be installed.

FortiClientEMS - RCE, command execution (CVE-2026-35616)

CVSS 9.8 (Critical)

Due to an access control flaw in the API, a remote unauthenticated attacker can execute code or commands with high privileges using specially crafted requests. This vulnerability is already being actively exploited [1].

The vulnerability is present in product:

FortiClientEMS; >=7.4.5, <=7.4.6;

CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

More information:

CVE-2026-35616 at cve.org, NVD
CWE-284: Improper Access Control at cwe.mitre.org

The vulnerability was publicly disclosed 4. 4. 2026.

Links

By CESNET, z.s.p.o. Henrieta Paločková on 7. 4. 2026.

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[TLP:CLEAR] Fortinet fixes a critical, actively exploited vulnerability

FortiClientEMS - RCE, command execution (CVE-2026-35616)

CVSS 9.8 (Critical)

Links