CVE-2026-35616
Description
A improper access control vulnerability in Fortinet FortiClientEMS 7.4.5 through 7.4.6 may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests.
In plain language
AI Act nowCVE-2026-35616 is a critical flaw in Fortinet FortiClientEMS (7.4.5 through 7.4.6) that allows an unauthenticated attacker to run unauthorized commands, so most small businesses using this software should act immediately.
What to do
- Immediately update Fortinet FortiClientEMS off versions 7.4.5 and 7.4.6 to a fixed release (ask your IT/vendor for the exact patched version). 2) If you cannot update right away, restrict network access to FortiClientEMS so it is not reachable from the internet. 3) Check with your IT person whether your FortiClientEMS instance is exposed externally and confirm it is patched as soon as possible.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Fortinet
commercial·USaka forti net
Fortinet Inc.
commercial·USaka fortinet
and 1 more affected products View all →
Exploitability
CISA Known Exploited Vulnerability
Added to KEV:Apr 6, 2026
Remediation due:Apr 9, 2026
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Official Patch Available
References
https://fortiguard.fortinet.com/psirt/FG-IR-26-099
fortiguard.fortinet.com
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-35616
cisa.gov
https://fortiguard.fortinet.com/psirt/FG-IR-26-099
fortiguard.fortinet.com
and 4 more references View all →
News mentions
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