A critical SQL injection vulnerability (CVE-2026-21643) in Fortinet FortiClient Endpoint Management Server (EMS), a management server for FortiClient endpoint agents on various platforms, is under active exploitation. The warning comes from Defused Cyber, which helps organizations deploy honeypots/fake assets, and uses them as well to capture real attack attempts and exploits and provide early warning threat intelligence. “Currently marked as not exploited on CISA and other Known Exploited Vulnerabilities (KEV) lists, [CVE-2026-21643] has seen first … More
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