{"cve":"CVE-2026-44694","nvd":{"published":"2026-05-08T20:16:31.917","modified":"2026-10-26T18:10:00.173","status":"Analyzed","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.","cvss_v4":{"vector":"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","score":7.2},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L","score":9.1},"cwes":["CWE-367","CWE-918"],"references":["https://github.com/czlonkowski/n8n-mcp/commit/bcaba839409d470abeb4a6ad9b361b553a1098eb","https://github.com/czlonkowski/n8n-mcp/releases/tag/v2.50.2","https://github.com/czlonkowski/n8n-mcp/security/advisories/GHSA-cmrh-wvq6-wm9r"],"products":["n8n-mcp:n8n-mcp"],"source":"nvd","synced_at":"2026-10-26T18:27:13.530666824+00:00"},"epss":{"cve":"CVE-2026-44694","score":0.00235,"percentile":0.14314,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-cmrh-wvq6-wm9r","url":"https://osv.dev/vulnerability/GHSA-cmrh-wvq6-wm9r","summary":"n8n-mcp webhook and API client paths has an authenticated SSRF","modified":"2026-05-13T13:55:36.573227Z","packages":[{"ecosystem":"npm","name":"n8n-mcp","purl":"pkg:npm/n8n-mcp","ranges":[">=2.18.7 <2.50.2"],"fixed":["2.50.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}