CVE-2025-56265
Full vulnerability record from the local CVENow database.
Description
An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file.
Severity
HIGH
CVSS score
8.8
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-09-08 18:15:33.720000
Last modified
2026-11-07 18:10:00.200000
View original CVE JSON
{
"id": "CVE-2025-56265",
"sourceIdentifier": "[email protected]",
"published": "2025-09-08T18:15:33.720",
"lastModified": "2026-11-07T18:10:00.200",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file."
},
{
"lang": "es",
"value": "Una vulnerabilidad de carga de archivos arbitraria en el componente Chat Trigger de N8N v1.95.3, v1.100.1 y v1.101.1 permite a los atacantes ejecutar código arbitrario mediante la carga de un archivo HTML manipulado."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2025-09-08T18:35:27.844542Z",
"id": "CVE-2025-56265",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
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"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-434"
}
]
}
],
"configurations": [
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"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:a:n8n:n8n:1.95.3:*:*:*:*:node.js:*:*",
"matchCriteriaId": "2C9EA847-EEEE-4B7A-818C-A1E1A9AA0FA7"
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"matchCriteriaId": "DB1BDF6D-1B36-47BA-A67B-BC6780D9D203"
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{
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"matchCriteriaId": "68192E4C-C188-4945-B7B3-499085B478EF"
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"references": [
{
"url": "https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt",
"source": "[email protected]",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1",
"source": "[email protected]",
"tags": [
"Exploit"
]
},
{
"url": "https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload",
"source": "[email protected]",
"tags": [
"Exploit"
]
}
]
}