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GHSA-JXX9-PX88-PJ69 n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete

🗓️ 18 May 2026 17:41:42Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 9 Views

Multi-tenant mode uses operator credentials when headers are missing, risking tenant access; fixed in n8n-mcp 2.51.2.

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