CVE-2025-56265
CVE-2025-56265
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| n8n n8n |
1.95.3 (affected, custom) | NVD |
| n8n n8n |
1.100.1 (affected, custom) | NVD |
| n8n n8n |
1.101.1 (affected, custom) | NVD |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
NVD applicability configurations (1)
These expressions retain AND/OR operators, negation, and required environmental products. A listed product is not sufficient to establish exposure when additional conditions apply.
[
{
"negate": false,
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:n8n:n8n:1.95.3:*:*:*:*:node.js:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:n8n:n8n:1.100.1:*:*:*:*:node.js:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:n8n:n8n:1.101.1:*:*:*:*:node.js:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
]CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 8.8 high |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Exploit evidence
References
- https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt[email protected] · Third Party Advisory
- https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1[email protected] · Exploit
- https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload[email protected] · Exploit
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