Feb 92 min read
Exposed Endpoint: Critical FortiClient EMS Vulnerability (CVSS 9.1) Enables Unauthenticated Remote Code Execution
Key Findings A critical SQL injection vulnerability (CVE-2026-21643) with a CVSS score of 9.1 has been discovered in Fortinet's FortiClient Enterprise Management Server (EMS) The flaw allows unauthenticated remote code execution, enabling attackers to take full control of the management server without any credentials The vulnerability is caused by improper sanitization of user input, allowing malicious SQL commands to be injected and executed The vulnerability affects FortiCl

