GHSA-4ggg-h7ph-26qr
High · 8.5CVSS
8.5
EPSS
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Published
Apr 8, 2026
CISA due date
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The record
n8n-mcp has authenticated SSRF via instance-URL header in multi-tenant HTTP mode
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | n8n-mcp | 0 | 2.47.4 |
Related vulnerabilities
- CVE-2026-39974 n8n-MCP is a Model Context Protocol (MCP) server that provides AI assistants with… Same vulnerability
- CVE-2026-45707 n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation… Also affects n8n-mcp
- CVE-2026-45582 n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation… Also affects n8n-mcp
- GHSA-jxx9-px88-pj69 n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant… Also affects n8n-mcp
- GHSA-f3rg-xqjj-cj9w n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node… Also affects n8n-mcp
- CVE-2026-42282 n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation… Also affects n8n-mcp
- CVE-2026-44694 n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation… Also affects n8n-mcp
- CVE-2026-41495 n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation… Also affects n8n-mcp