Vulnerability Intelligence Report
CVE-2026-107656
An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions, FortiSandbox PaaS 5.0.0 through 5.0.6, FortiSandbox PaaS 4.4 all versions, FortiSandbox PaaS 4.2 all versions may allow attacker to execute unauthorized code or commands via crafted HTTP requests
No Active Exploit Signals
CVSS Base Score
9.6
CRITICAL
Exploitability:3.9
Impact Score:5.9
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-288 ↗Execute unauthorized code or commands
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Fortinet | FortiSandbox | 5.0.0 <= 5.0.6 (affected), 4.4.0 <= 4.4.9 (affected), 4.2.1 <= 4.2.8 (affected) |
| Fortinet | FortiSandbox PaaS | 5.0.0 <= 5.0.6 (affected), 4.4.0 <= 4.4.9 (affected), 4.2.1 <= 4.2.8 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Fortinet, Inc. · Vendor · USA |
| Reserved | 2026-10-08T14:34:01 |
| Published | 2026-10-26T13:45:03 |
| Last Updated | 2026-10-27T06:54:55 |
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