🔒 n8n Security Scanner

Free Credential Scanner - Find Exposed Secrets in Workflows

Detect hardcoded API keys, passwords, and sensitive data before it's too late.

Secret Detection

Pre-Deploy Check

Security Report

Try Free Credential Scanner

What Is a Credential Scanner?

A credential scanner analyzes your workflow JSON to find exposed secrets like API keys, passwords, tokens, and other sensitive data. It checks Code nodes, HTTP Request headers, and expression values for patterns that match common credential formats. This prevents accidental exposure when sharing workflows or deploying to production.

Why Credential Security Matters in n8n

Hardcoded credentials in workflows are a major security risk. When you share workflow JSON for troubleshooting, export to a repository, or deploy to a shared n8n instance, those credentials are exposed. Attackers actively scan public repositories for leaked API keys. One exposed credential can compromise your entire system.

n8n Credential Security Best Practices

Always use n8n's built-in Credentials store instead of hardcoding
Never paste API keys directly into Code or HTTP Request nodes
Review workflow JSON before sharing with anyone
Use environment variables for sensitive configuration
Rotate credentials if they've ever been exposed
Enable n8n's credential encryption in self-hosted instances

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