n8n-mcp vulnerabilities (npm)
11 vulnerabilities.
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n8n-mcpnpm n8n-MCP: Incorrect authorization can expose default-scope workflow version backups in multi-tenant HTTP mode 4.2 Medium -
n8n-mcpnpm n8n-MCP: Cross-tenant access to workflow version backups in multi-tenant HTTP deployments 9.9 Critical -
n8n-mcpnpm n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete 8.1 High -
n8n-mcpnpm n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters 6.5 Medium -
n8n-mcpnpm n8n-mcp affected by path traversal, redirect-following SSRF, and telemetry payload exposure 8.3 High -
n8n-mcpnpm n8n-MCP: Authenticated SSRF in n8n-mcp webhook and API client paths 7.2 High -
n8n-mcpnpm n8n-MCP: IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders 8.5 High -
n8n-mcpnpm n8n-MCP: Sensitive MCP tool-call arguments logged on authenticated requests in HTTP mode 4.3 Medium -
n8n-mcpnpm n8n-MCP Logs Sensitive Request Data on Unauthorized /mcp Requests 5.3 Medium -
n8n-mcpnpm n8n-mcp has unauthenticated session termination and information disclosure in HTTP transport 8.2 High -
n8n-mcpnpm n8n-MCP has an Authenticated SSRF via instance-URL header in multi-tenant HTTP mode 8.5 High