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.
Details
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| n8n-mcp | — | — |
| unknown | — | — |
References
Similar Threats
- Medium CVE-2026-45582
- High GHSA-8g7g-hmwm-6rv2
- High CVE-2026-44694
- High CVE-2026-42449
- Medium CVE-2026-42282
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