CVE-2026-39808Fortinet FortiSandbox OS Command Injection Vulnerability
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>
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.8 | CRITICAL | 3.1fortinet (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 9.1 | CRITICAL | 3.1fortinet (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C |
CISA required action
⚡ Known exploited · remediation due Jul 19, 2026
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.
Details
- CVE ID
- CVE-2026-39808
- Status
- Analyzed
- Assigner (CNA)
- fortinet
- Published
- Apr 14, 2026
- Last modified
- 2026-10-26 21:10 UTC
- Weaknesses
- CWE-78 · Execute unauthorized code or commands
Affected Products
As published by the CNA in the CVE record.
FortinetFortiSandbox1 version range
- 4.4.0 through 4.4.8
FortinetFortiSandbox PaaS9 version ranges
- 23.4.4374
- 23.4.4350
- 23.3.4329
- 23.1.4245
- 22.2.4151
- 22.2.4134
- 22.1.4113
- 21.4.4072
- 21.3.4055