---
id: CVE-2026-106173
title: >-
  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.
summary: >-
  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.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-22
published: '2026-10-13'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T16:04:11.750'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106173'
references:
  - url: 'https://fortiguard.fortinet.com/psirt/FG-IR-26-180'
    label: psirt@fortinet.com
tags:
  - nvd
  - cve.org
  - exploit-available
ingestedAt: '2026-10-13T18:41:42.736Z'
vendor: Fortinet
product: FortiSIEM
affected:
  - FortiSIEM 7.5.0
  - FortiSIEM >= 7.4.0 <= 7.4.2
  - FortiSIEM >= 7.3.0 <= 7.3.5
  - FortiSIEM >= 7.2.0 <= 7.2.7
  - FortiSIEM >= 7.1.0 <= 7.1.9
  - FortiSIEM >= 7.0.0 <= 7.0.4
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-20T17:05:40.426255Z'
scores:
  nvd: 9.8
  cna: 9.4
epss: 0.00998
epssPercentile: 0.62561
exploitAvailable: true
exploits:
  github: 5
  githubRepos:
    - 'https://github.com/horizon3ai/CVE-2026-106173'
    - 'https://github.com/tc4dy/CVE-2026-106173-PoC-Exploit'
    - 'https://github.com/0xBlackash/CVE-2026-106173'
  checkedAt: '2026-10-27T16:54:46.080Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.