CVE-2026-44694

n8n-mcp webhook and API client paths has an authenticated SSRF

Published 8 May 2026Modified 26 Oct 2026CWE 367, 918

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L

GHSA7.2CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by GHSA (high).

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 packages and fixed versions

Source	Package	Fixed in
npm::GitHub Security Advisory npm	n8n-mcp	2.50.2

References

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