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czlonkowski

9 known vulnerabilities.

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  • Medium 4.2

    n8n-MCP: Incorrect authorization can expose default-scope workflow version backups in multi-tenant HTTP mode

    n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.57.4, multi-tenant HTTP mode with ENABLE_MULTI_TENANT=true could allow an authenticated tenant to access default-scope workflow_versi…

  • Medium 6.5

    n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters

    n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.3, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to t…

  • Medium 4.3

    n8n-MCP: Sensitive MCP tool-call arguments logged on authenticated requests in HTTP mode

    n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to version 2.47.13, when n8n-mcp runs in HTTP transport mode, authenticated MCP tools/call requests had their full arguments and JSON-RPC …

  • Medium 5.3

    n8n-MCP Logs Sensitive Request Data on Unauthorized /mcp Requests

    n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to version 2.47.11, when n8n-mcp runs in HTTP transport mode, incoming requests to the POST /mcp endpoint had their request metadata writt…