CVE-2026-106173: Fortinet Fortisiem

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM 7.5.0 may allow attacker to execute unauthorized code or commands via specially crafted packets.

Affected products

• Fortinet Fortisiem: version 7.5.0 only; from 7.4.0, up to and including 7.4.2; from 7.3.0, up to and including 7.3.5; from 7.2.0, up to and including 7.2.7; from 7.1.0, up to and including 7.1.9; from 7.0.0, up to and including 7.0.4

Published 2026-10-13. Last modified 2026-10-14.