Description
n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. From version 2.18.7 to before version 2.50.2, there is an authenticated server-side request forgery vulnerability affecting the webhook trigger tools, the n8n API client (N8N_API_URL), and per-request URLs supplied via the x-n8n-url header in multi-tenant HTTP mode. This issue has been patched in version 2.50.2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| czlonkowski | n8n-mcp | >= 2.18.7, < 2.50.2 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | n8n-mcp | >= 2.18.7, < 2.50.2 | 2.50.2 | GHSA-cmrh-wvq6-wm9r |