high8.8
CVE-2025-56265
N8N's Chat Trigger component is vulnerable to XSS
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @n8n/n8n-nodes-langchain | < 1.107.0 | 1.107.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| N8n | N8n | Versions 1.95.3, 1.100.1, 1.101.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt
- https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1
- https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload
- https://github.com/advisories/GHSA-v2x8-97xq-8xrr
- https://nvd.nist.gov/vuln/detail/CVE-2025-56265
- https://github.com/n8n-io/n8n/pull/18148
- https://github.com/n8n-io/n8n/releases/tag/n8n%401.107.0