CVE-2026-59836 is an improper certificate validation flaw in Fortinet FortiClientEMS affecting versions 7.2, 7.4.0-7.4.1, and 7.4.3-7.4.5, which could allow an attacker to gain access to sensitive information. The vulnerability likely enables man-in-the-middle style attacks due to insufficient validation of TLS/SSL certificates during communications.
Updated Jul 16, 2026 · CVSS 7.5