CVE-2026-42449

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. In versions 2.47.4 through 2.47.13, the SDK embedder path N8NDocumentationMCPServer constructor, getN8nApiClient, and validateInstanceContext, the synchronous URL validator in...

n8n-MCP code issue vulnerabilities

n8n-MCP is a model context protocol server developed by Romuald Członkowski, an individual developer. There are code vulnerabilities in versions 2.47.4 to 2.47.13 of n8n-MCP. These vulnerabilities stem from the fact that the SSRFRProtection.validateUrlSync URL verifier does not check IPv6...