Path Traversal in Fortinet Fortisiem

CVE-2026-106173

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-106173?
CVE-2026-106173 is a critical-severity vulnerability in Fortinet Fortisiem, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-10-13.
How severe is CVE-2026-106173?
Critical severity. CVSS v3 base score is 9.8 out of 10.