๐ฅ This vulnerability is being actively exploited in the wild (CISA Known Exploited Vulnerabilities catalog)
CVE-2026-35616: Fortinet FortiClient EMS Improper Access Control Vulnerability
Summary
Fortinet FortiClient EMS has an improper access control vulnerability (a flaw in how the software checks who is allowed to do what) that lets unauthenticated attackers (people without login credentials) run unauthorized code or commands through specially crafted requests. This vulnerability is actively being exploited by attackers in real-world attacks.
Solution / Mitigation
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Check for signs of potential compromise on all internet accessible Fortinet products affected by this vulnerability. Apply any final mitigations provided by the vendor as soon as they become available. For vendor-specific patches and remediation steps, see: https://fortiguard.fortinet.com/psirt/FG-IR-26-099
Vulnerability Details
EPSS: 0.0%
Yes
๐ฅ Actively Exploited
April 5, 2026
Classification
Taxonomy References
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-35616
First tracked: April 6, 2026 at 02:01 PM
Classified by LLM (prompt v3) ยท confidence: 95%