CVE-2026-40188
Full vulnerability record from the local CVENow database.
Description
goshs is a SimpleHTTPServer written in Go. From 1.0.7 to before 2.0.0-beta.4, the SFTP command rename sanitizes only the source path and not the destination, so it is possible to write outside of the root directory of the SFTP. This vulnerability is fixed in 2.0.0-beta.4.
Severity
HIGH
CVSS score
7.7
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-04-10 20:16:23.733000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-40188",
"sourceIdentifier": "[email protected]",
"published": "2026-04-10T20:16:23.733",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "goshs is a SimpleHTTPServer written in Go. From 1.0.7 to before 2.0.0-beta.4, the SFTP command rename sanitizes only the source path and not the destination, so it is possible to write outside of the root directory of the SFTP. This vulnerability is fixed in 2.0.0-beta.4."
},
{
"lang": "es",
"value": "goshs es un SimpleHTTPServer escrito en Go. Desde la 1.0.7 hasta antes de la 2.0.0-beta.4, el comando SFTP rename sanitiza solo la ruta de origen y no el destino, por lo que es posible escribir fuera del directorio raíz del SFTP. Esta vulnerabilidad está corregida en la 2.0.0-beta.4."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "patrickhener",
"product": "goshs",
"versions": [
{
"version": ">= 1.0.7, < 2.0.0-beta.4",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.1,
"impactScore": 4.0
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-04-13T15:28:25.294603Z",
"id": "CVE-2026-40188",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-1314"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:goshs:goshs:*:*:*:*:*:go:*:*",
"versionStartIncluding": "1.0.7",
"versionEndExcluding": "2.0.0",
"matchCriteriaId": "1CC7DF19-7DCC-4ACF-B4ED-789E769A8B3F"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:goshs:goshs:2.0.0:beta1:*:*:*:go:*:*",
"matchCriteriaId": "047ECFC3-056F-4FAC-9B64-5F7C120CFFE1"
},
{
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"criteria": "cpe:2.3:a:goshs:goshs:2.0.0:beta2:*:*:*:go:*:*",
"matchCriteriaId": "6EA86AD2-EE6D-4427-9434-A9A49A4D38F9"
},
{
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"criteria": "cpe:2.3:a:goshs:goshs:2.0.0:beta3:*:*:*:go:*:*",
"matchCriteriaId": "F44CF6A3-C1BC-4636-A1D5-1ED69A340FE3"
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],
"references": [
{
"url": "https://github.com/patrickhener/goshs/commit/141c188ce270ffbec087844a50e5e695b7da7744",
"source": "[email protected]",
"tags": [
"Patch"
]
},
{
"url": "https://github.com/patrickhener/goshs/releases/tag/v2.0.0-beta.4",
"source": "[email protected]",
"tags": [
"Product",
"Release Notes"
]
},
{
"url": "https://github.com/patrickhener/goshs/security/advisories/GHSA-2943-crp8-38xx",
"source": "[email protected]",
"tags": [
"Exploit",
"Vendor Advisory"
]
},
{
"url": "https://github.com/patrickhener/goshs/security/advisories/GHSA-2943-crp8-38xx",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
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}
]
}