---
id: CVE-2026-84387
title: >-
  A improper neutralization of special elements used in a command ('command
  injection') vulnerability in Fortinet FortiSandbox 5.2.0, FortiSandbox 5.0.0
  through 5.0.6, FortiSandbox 4.4.0 through 4.4.9 may allow attacker to execute
  unauthor…
summary: >-
  A improper neutralization of special elements used in a command ('command
  injection') vulnerability in Fortinet FortiSandbox 5.2.0, FortiSandbox 5.0.0
  through 5.0.6, FortiSandbox 4.4.0 through 4.4.9 may allow attacker to execute
  unauthor…
severity: high
cvss: 7.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-77
vendor: Fortinet
product: FortiSandbox
affected:
  - FortiSandbox 5.2.0
  - FortiSandbox >= 5.0.0 <= 5.0.6
  - FortiSandbox >= 4.4.0 <= 4.4.9
  - FortiSandbox >= 4.2.1 <= 4.2.8
published: '2026-09-08'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T18:35:10.323'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84387'
references:
  - url: 'https://fortiguard.fortinet.com/psirt/FG-IR-26-167'
    label: psirt@fortinet.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-08T17:39:27.548486Z'
scores:
  nvd: 7.2
  cna: 6.7
ingestedAt: '2026-09-08T19:08:49.602Z'
epss: 0.01398
epssPercentile: 0.71272
---

## Overview

A improper neutralization of special elements used in a command ('command injection') vulnerability in Fortinet FortiSandbox 5.2.0, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9 may allow attacker to execute unauthorized code or commands via <insert attack vector here>

## Remediation

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