CVE-2026-35616 — Fortinet FortiClient EMS: Fortinet FortiClient EMS Improper Access Control Vulnerability
CVE-2026-35616 — Fortinet FortiClient EMS contains an improper access control vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests.
What This Means For You
- CISA has confirmed active exploitation — immediate patching required.
- Added to CISA KEV catalog — federal agencies must remediate by 2026-04-09.
Related ATT&CK Techniques
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-35616 | RCE | Fortinet FortiClient EMS, improper access control vulnerability, allows unauthenticated attacker to execute unauthorized code or commands via crafted requests. |
| CVE-2026-35616 | Auth Bypass | Fortinet FortiClient EMS, improper access control vulnerability, allows unauthenticated attacker to execute unauthorized code or commands via crafted requests. |
Source & Attribution
| Source Platform | CISA |
| Channel | CISA KEV |
| Channel ID | cisa-kev |
| Message ID | 202635616 |
| Published | April 06, 2026 at 15:00 UTC |
| Original Link | https://fortiguard.fortinet.com/psirt/FG-IR-26-099 |
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