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    CVE-2026-44694

    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.

    Published:May 8, 2026
    Last Modified:May 14, 2026
    EPS:May 8, 2026
    EPSS Score:0.00037
    CVSS Score:9.1

    Affected Products

    Vendor
    Czlonkowski
    Product
    N8n-mcp
    Vendor
    N8n-mcp
    Product
    N8n-mcp

    Exploits

    No exploit reference

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High