CVE-2026-26084

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Improper Access Control in Fortinet FortiSandbox

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Fortinet, Inc.

Description

A improper access control vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow attacker to access sensitive information via crafted HTTP requests.

CVSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-08

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-26084

Affected Vendors & Products

Vendor	Product	Version / Range
fortinet	fortisandbox	From 5.0.0 (inc) to 5.0.5 (inc)
fortinet	fortisandbox	From 4.4.0 (inc) to 4.4.8 (inc)
fortinet	fortisandbox_cloud	From 5.0.4 (inc) to 5.0.5 (inc)
fortinet	fortisandbox_paas	From 5.0.4 (inc) to 5.0.5 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper access control issue in Fortinet FortiSandbox versions 5.0.0 through 5.0.5, 4.4.0 through 4.4.8, FortiSandbox Cloud 5.0.4 through 5.0.5, and FortiSandbox PaaS 5.0.4 through 5.0.5. It allows attackers to access sensitive information by sending crafted HTTP requests.

Impact Analysis

An attacker could exploit this to steal sensitive data, such as files or system information, from affected FortiSandbox systems. This could lead to data breaches, unauthorized access to confidential information, or further compromise of the network.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other regulations by exposing sensitive personal or health data. Organizations may face legal penalties, fines, or reputational damage if such data is compromised due to inadequate access controls.

Mitigation Strategies

Update FortiSandbox to a version that fixes the improper access control vulnerability. If immediate patching is not possible, restrict network access to the device and monitor for unusual HTTP requests.

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