Blog · Next.js

Next.js Server Actions: security checklist for teams

Published 2026-01-30 · 8 min read

Auth checks, CSRF, caching, and authorization boundaries—how to use server actions without creating accidental endpoints.

Authorization

Treat every action as a public API: validate session, tenant, and permission before side effects.

CSRF

Understand framework defaults; do not bypass protections without compensating controls.

Operations

Log action failures with correlation IDs; rate limit sensitive operations.

Frequently asked questions

Should everything be a server action?
No—use normal API routes when integrations expect HTTP semantics or you need clearer caching boundaries.

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