CVE-2026-84387

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Command Injection in Fortinet FortiSandbox

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Fortinet, Inc.

Description

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>

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-08

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-84387

Affected Vendors & Products

Vendor	Product	Version / Range
fortinet	fortisandbox	5.2.0
fortinet	fortisandbox	From 5.0.0 (inc) to 5.0.6 (inc)
fortinet	fortisandbox	From 4.4.0 (inc) to 4.4.9 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-77	The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Attack-Flow Graph

Executive Summary

This is a command injection vulnerability in Fortinet FortiSandbox versions 5.2.0, 5.0.0 through 5.0.6, and 4.4.0 through 4.4.9. It allows an attacker to execute unauthorized code or commands through a specific attack vector.

Impact Analysis

An attacker could exploit this to run malicious commands on the affected system, potentially leading to unauthorized access, data theft, or system compromise. This could disrupt operations or expose sensitive information.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR and HIPAA requirements for data protection and security. Non-compliance may result in legal penalties or fines.

Mitigation Strategies

Update FortiSandbox to the latest patched version immediately to address the command injection vulnerability. Disable unnecessary services and restrict network access to the device. Monitor logs for suspicious activity and apply Fortinet's official security advisories.

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