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    How to Secure Replit

    Step-by-step guide to securing your Replit application. Learn how to protect against common vulnerabilities, configure security settings, and launch with confidence.

    Replit Security Considerations

    Replit's collaborative nature means special attention to secrets management and visibility settings. Public Repls expose all source code, and Agent-generated code should always be reviewed for security vulnerabilities.

    Security Checklist

    1

    Use Replit Secrets for sensitive data

    Critical

    Store API keys, database credentials, and other secrets in Replit's Secrets Manager, not in code.

    2

    Make Repls private

    Critical

    Set sensitive projects to private to prevent source code exposure.

    3

    Review Agent-generated code

    Critical

    AI-generated code may contain security vulnerabilities - review all generated code before deployment.

    4

    Configure authentication

    Critical

    Implement proper user authentication with secure session management.

    5

    Secure database connections

    Critical

    Use encrypted connections and proper credentials management for databases.

    6

    Audit public vs private Repls

    Critical

    Understand that public Repls expose all source code to anyone.

    7

    Review deployment settings

    Critical

    Configure proper environment variables for production deployments.

    8

    Validate user inputs

    Add input validation to prevent injection and XSS attacks.

    9

    Enable HTTPS

    Ensure your deployed application uses HTTPS.

    10

    Review package dependencies

    Check for vulnerable packages in your project dependencies.

    11

    Configure CORS properly

    Set appropriate CORS headers for API endpoints.

    12

    Test error handling

    Ensure errors don't expose sensitive information.

    13

    Review file permissions

    Ensure sensitive files are not publicly accessible.

    14

    Enable rate limiting

    Protect APIs from abuse with rate limiting.

    15

    Test authentication flows

    Verify login, logout, and session management work correctly.

    16

    Run automated security scan

    Use VibeEval to detect vulnerabilities automatically.

    Related Resources

    Is Replit Safe?

    In-depth security analysis of the Replit platform.

    Replit Security Checklist

    Interactive pre-launch security checklist for Replit.

    Automate Your Security Checks

    Let VibeEval scan your Replit application and generate a comprehensive security report in minutes.

    Scan Your Replit App