CVE-2026-44694: n8n-mcp

csirt@kutim:~/threat-intel/cve/CVE-2026-44694

CVSS 9.1 · Critical EPSS 0,31%

Kerentanan Time-of-check Time-of-use (TOCTOU) Race Condition pada n8n-mcp. Skor CVSS 3.1 9.1 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 8 Mei 2026
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 9.1 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CWE-918: Server-Side Request Forgery (SSRF)
EPSS (30 hari): 0,31% peluang dieksploitasi; lebih tinggi dari 21,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
n8n-mcp	n8n-mcp	Versi 2.18.7 hingga sebelum 2.50.2

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/czlonkowski/n8n-mcp/security/advisories/GHSA-cmrh-wvq6-wm9r mitigasi · advisory vendor
https://github.com/czlonkowski/n8n-mcp/commit/bcaba839409d470abeb4a6ad9b361b553a1098eb patch
https://github.com/czlonkowski/n8n-mcp/releases/tag/v2.50.2 product · release notes

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.