CVE-2026-39808
Summary
| CVE | CVE-2026-39808 |
|---|---|
| State | PUBLISHED |
| Assigner | fortinet |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-14 16:16:44 UTC |
| Updated | 2026-04-22 14:17:00 UTC |
| 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> |
Risk And Classification
Primary CVSS: v3.1 9.8 CRITICAL from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.001330000 probability, percentile 0.329390000 (date 2026-04-22)
Problem Types: CWE-78 | CWE-78 Execute unauthorized code or commands
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 9.1 | CRITICAL | 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 |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Fortinet | Fortisandbox | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Fortinet | FortiSandbox | affected 4.4.0 4.4.8 semver | Not specified |
| CNA | Fortinet | FortiSandbox PaaS | affected 23.4.4374 | Not specified |
| CNA | Fortinet | FortiSandbox PaaS | affected 23.4.4350 | Not specified |
| CNA | Fortinet | FortiSandbox PaaS | affected 23.3.4329 | Not specified |
| CNA | Fortinet | FortiSandbox PaaS | affected 23.1.4245 | Not specified |
| CNA | Fortinet | FortiSandbox PaaS | affected 22.2.4151 | Not specified |
| CNA | Fortinet | FortiSandbox PaaS | affected 22.2.4134 | Not specified |
| CNA | Fortinet | FortiSandbox PaaS | affected 22.1.4113 | Not specified |
| CNA | Fortinet | FortiSandbox PaaS | affected 21.4.4072 | Not specified |
| CNA | Fortinet | FortiSandbox PaaS | affected 21.3.4055 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/samu-delucas/CVE-2026-39808 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | github.com | |
| fortiguard.fortinet.com/psirt/FG-IR-26-100 | [email protected] | fortiguard.fortinet.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: Upgrade to FortiSandbox version 4.4.9 or above Upgrade to FortiSandbox PaaS version 5.0.2 or above
There are currently no legacy QID mappings associated with this CVE.