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CVE-2026-44694

CVE-2026-44694 · n8n-MCP: Authenticated SSRF in n8n-mcp webhook and API client paths

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 7.2 · High · EPSS 0.2% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • n8n-mcp

    Versions
    • >= 2.18.7, < 2.50.2: Affected

    No fix published

  • n8n-mcp npm

    Affected ranges
    • SEMVER: ≥ 2.18.7, < 2.50.2

    Update to 2.50.2

Original sources

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