Vulnerability Intelligence Report
Fortinet FortiSandbox OS Command Injection Vulnerability
CVE-2026-25089
A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests
CISA KEV
SSVC: Active Exploitation
Automatable
Injection
CVSS Base Score
9.1
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:23.39%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-78 ↗Execute unauthorized code or commands
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Fortinet | FortiSandbox | 5.0.0 <= 5.0.5 (affected), 4.4.0 <= 4.4.8 (affected), 4.2.1 <= 4.2.8 (affected) |
| Fortinet | FortiSandbox Cloud | 5.0.4 <= 5.0.5 (affected) |
| Fortinet | FortiSandbox PaaS | 5.0.4 <= 5.0.5 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
EPSS Score
23.393%
GitHub Advisory
Vulnerability Class
Injection
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Fortinet, Inc. · Vendor · USA |
| Reserved | 2026-01-29T09:27:29 |
| Published | 2026-06-09T14:27:47 |
| Last Updated | 2026-07-17T03:56:23 |
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