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n8n: SSRF Protection Bypass via MCP Client Node

🗓️ 22 Jul 2026 22:07:04Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 17 Views

MCP Client node bypasses server side forgery protection in n8n, enabling access to internal hosts; fixed in 2.31.5.

Detection
Refs

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22 Jul 2026 22:07Current
5.5Medium risk
Vulners AI Score5.5
17