CVE-2026-26084

Critical

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.

SeverityCritical
CVSS9.9
Exploit probability—
ProductFortinet Fortisandbox
PublishedSep 8, 2026
First seenSep 8, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
fortinet fortisandbox5.0.0 ≤ v ≤ 5.0.5, 4.4.0 ≤ v ≤ 4.4.8, 4.2.1 ≤ v ≤ 4.2.8—
fortinet fortisandboxpaas5.0.4 ≤ v ≤ 5.0.5—
fortinet fortisandboxcloud5.0.4 ≤ v ≤ 5.0.5—

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