Security · 1h ago
n8n RAG Pipelines Leak Internal Data to LLMs in Plain Text
Standard n8n RAG workflows retrieve confidential document chunks from vector databases and send them as plain text to third-party LLMs like OpenAI. Execution logs also store raw context, exposing PII to anyone with instance access. Reversible tokenization tools like Privent can mask data before the LLM and restore it in the response.
Meridian48 take
The article correctly identifies a real blind spot in RAG security, but the solution it pitches is vendor-specific; the core issue is that developers must treat LLM API calls as data exfiltration risks.
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The Hidden Danger in Your n8n RAG Pipeline: What Happens When You Send Internal Docs to ChatGPT? →
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