CVE•Published 2026-05-08•Modified 2026-05-14•1 article on news•5 live references•NVD data
CVE-2026-44694N8n-mcp · N8n-mcp
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
EPSS percentile
—
Weaknesses (CWE)
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.
Timeline
Published 2026-05-08
Modified 2026-05-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-44694Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"N8n-mcp N8n-mcp"All exposed N8n-mcp N8n-mcp instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"N8n-mcp"HTTP body or banner mentions "N8n-mcp" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-44694Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-44694Censys host search filtered to this CVE id.
grep.app
CVE-2026-44694Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-44694GitHub code search for direct mentions.
Google dork
"CVE-2026-44694" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.