> Fortinet Fixes Critical FortiSIEM Flaw Allowing Unauthenticated Remote Code Execution
[DATE: 14/01/2026 11:53]
[LANGUAGE: EN]
Fortinet has released updates to fix a critical security flaw impacting FortiSIEM that could allow an unauthenticated attacker to achieve code execution on susceptible instances.
The operating system (OS) injection vulnerability, tracked as CVE-2025-64155, is rated 9.4 out of 10.0 on the CVSS scoring system.
"An improper neutralization of special elements used in an OS command ('OS command