CVE-2026-39812
Full vulnerability record from the local CVENow database.
Description
A improper neutralization of input during web page generation ('cross-site scripting') 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 PaaS 5.0.0 through 5.0.5, FortiSandbox PaaS 4.4.0 through 4.4.8, FortiSandbox PaaS 4.2 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>
Severity
MEDIUM
CVSS score
4.8
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-04-14 16:16:45.490000
Last modified
2026-10-26 22:10:00.163000
View original CVE JSON
{
"id": "CVE-2026-39812",
"sourceIdentifier": "[email protected]",
"published": "2026-04-14T16:16:45.490",
"lastModified": "2026-10-26T22:10:00.163",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A improper neutralization of input during web page generation ('cross-site scripting') 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 PaaS 5.0.0 through 5.0.5, FortiSandbox PaaS 4.4.0 through 4.4.8, FortiSandbox PaaS 4.2 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>"
},
{
"lang": "es",
"value": "Una vulnerabilidad de neutralización inadecuada de la entrada durante la generación de páginas web (’cross-site scripting’) en Fortinet FortiSandbox 5.0.0 hasta 5.0.5, FortiSandbox 4.4.0 hasta 4.4.8, FortiSandbox 4.2 en todas las versiones, FortiSandbox PaaS 5.0.0 hasta 5.0.5, FortiSandbox PaaS 4.4.0 hasta 4.4.8, FortiSandbox PaaS 4.2 en todas las versiones puede permitir al atacante ejecutar código o comandos no autorizados a través de <insertar vector de ataque aquí>"
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Fortinet",
"product": "FortiSandbox",
"defaultStatus": "unaffected",
"cpes": [
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"cpe:2.3:a:fortinet:fortisandbox:5.0.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandbox:5.0.1:*:*:*:*:*:*:*",
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],
"versions": [
{
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"lessThanOrEqual": "5.0.4",
"versionType": "semver",
"status": "affected"
},
{
"version": "4.4.0",
"lessThanOrEqual": "4.4.8",
"versionType": "semver",
"status": "affected"
},
{
"version": "4.2.1",
"lessThanOrEqual": "4.2.8",
"versionType": "semver",
"status": "affected"
}
]
},
{
"vendor": "Fortinet",
"product": "FortiSandbox PaaS",
"defaultStatus": "unaffected",
"cpes": [
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"cpe:2.3:a:fortinet:fortisandboxpaas:4.4.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:4.4.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:4.4.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:4.4.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:4.4.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:4.4.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:4.4.1:*:*:*:*:*:*:*",
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"cpe:2.3:a:fortinet:fortisandboxpaas:4.2.6:*:*:*:*:*:*:*",
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"cpe:2.3:a:fortinet:fortisandboxpaas:4.2.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:4.2.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:4.2.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortisandboxpaas:4.2.1:*:*:*:*:*:*:*"
],
"versions": [
{
"version": "5.0.0",
"lessThanOrEqual": "5.0.5",
"versionType": "semver",
"status": "affected"
},
{
"version": "4.4.0",
"lessThanOrEqual": "4.4.8",
"versionType": "semver",
"status": "affected"
},
{
"version": "4.2.1",
"lessThanOrEqual": "4.2.8",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "HIGH",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.7,
"impactScore": 2.7
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-04-14T16:26:08.654637Z",
"id": "CVE-2026-39812",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.2.0",
"versionEndIncluding": "4.2.8",
"matchCriteriaId": "814D77BE-F536-42DE-B068-F92B95D68248"
},
{
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},
{
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"versionStartIncluding": "5.0.0",
"versionEndExcluding": "5.0.6",
"matchCriteriaId": "3AAEF316-2134-4398-911C-E7532CD3AFF2"
},
{
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}
],
"references": [
{
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-110",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}