Path Traversal Vulnerability in Fortinet FortiSIEM Product
CVE-2026-106173

9.4CRITICAL

Key Information:

Vendor

Fortinet
Status
Fortisiem
Vendor
CVE Published:
13 October 2026

What is CVE-2026-106173?

An improper limitation of a pathname in Fortinet FortiSIEM 7.5.0 creates a path traversal vulnerability. This flaw enables attackers to craft malicious packets that can execute unauthorized commands or code within restricted directories, potentially compromising system integrity.

Affected Version(s)

FortiSIEM 7.5.0

FortiSIEM 7.4.0 <= 7.4.2

FortiSIEM 7.3.0 <= 7.3.5

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-180

CVSS V3.1

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.