Critical SEVERITY — Vulnerability

CVE-2026-39808 — Fortinet FortiSandbox OS Command Injection Vulnerability

Fortinet FortiSandbox contains an OS command injection vulnerability that could allow an unauthenticated attacker to execute unauthorized code or commands via crafted HTTP requests.

Platform
FortiGate / FortiOS
CVE Record
CVE-2026-39808
Advisory
CISA-KEV
Published
16 July 2026
Views
3
Primary source: Review the official advisory at nvd.nist.gov Kaynağa Git

Status

This vulnerability is included in CISA’s Known Exploited Vulnerabilities catalog as confirmed by CISA to be actively exploited. Not a theoretical risk — it is being observed in the wild.

Description

Fortinet FortiSandbox contains an OS command injection vulnerability that could allow an unauthenticated attacker to execute unauthorized code or commands via crafted HTTP requests.

Product details

  • Vendor: Fortinet
  • Product: FortiSandbox
  • Added to catalog: 2026-07-16

Actions mandated by CISA

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.

  • Deadline for federal agencies: 2026-07-19
Fortinet FortiSandbox

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