Next.js Security Checklist for Production

A practical Next.js security checklist covering auth boundaries, input validation, security headers, and deployment hygiene.

Core checklist

Protect private routes server-side and avoid relying on client-only checks.
Validate all incoming input with schemas before business logic runs.
Set strict security headers and keep CSP policy explicit.
Prevent leaking stack traces or environment details in error responses.
Keep dependency and CI checks active in every pull request.

What to automate

Manual checklists are useful, but production drift happens fast. Run deterministic checks on each release so regressions in auth middleware, route protections, and webhook validation are caught before deploy.

Run this in Vibio

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