N8N's Chat Trigger component is vulnerable to XSS
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | @n8n/n8n-nodes-langchain | < 1.107.0 | 1.107.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-56265
- https://github.com/n8n-io/n8n/pull/18148
- https://github.com/n8n-io/n8n
- https://github.com/n8n-io/n8n/releases/tag/n8n%401.107.0
- https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-434, CWE-79- Platform
- npm
- Package
@n8n/n8n-nodes-langchain- Disclosed
- 08.09.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-v2x8-97xq-8xrr - CC BY 4.0
Vulnerability history: @n8n/n8n-nodes-langchain
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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