CVE-2026-39808

CRITICAL9.8

CISA KEV

Published 2026-04-14 · Updated 2026-07-16 · Source psirt@fortinet.com

Description

A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via <insert attack vector here>

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-78

CISA Known-Exploited Vulnerability

Product: Fortinet — FortiSandbox

Name: Fortinet FortiSandbox OS Command Injection Vulnerability

Date added: 2026-07-16 · Due: 2026-07-19

Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

References

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