Most builders using Lovable, Bolt, or v0 think about security exactly once. Right after something breaks, or worse, right after something leaks. The AI helps you ship fast. It doesn’t remind you to secure what you built. That part is still on you.
A Redditor named julyvibecodes decided to spell that out clearly. The original poster put together a practical security checklist for anyone shipping vibecoded apps, covering all the basics that tend to get skipped when you’re moving fast. I went through it, and honestly, it’s the kind of list every vibe builder should have pinned somewhere visible before they hit publish.
Quick Start: What You’ll Learn
This guide covers 9 security fundamentals for vibecoded apps. No deep technical background needed. These are the basics that stop most common breaches, data leaks, and account abuse before they happen. You can get through most of them in a single afternoon.
The Old Way vs. The Right Way
The old way: ship it, figure out security “later.” Later usually means after a user complains, after your free tier gets drained by bots, or after you realize you’ve been storing data you never needed in the first place.
The right way: treat security as a pre-launch checklist, not a post-launch problem. The author’s list makes that straightforward. Here’s the full breakdown.
🔐 The Security Checklist for Vibecoded Apps
- Protect your secrets properly API keys, tokens, and anything sensitive belong in a
.envfile. Never hardcoded. Never exposed to the frontend. Server-side only. The author calls this non-negotiable, and they’re right. If your API key is in your frontend code, anyone can find it with a basic inspect. - Don’t collect what you don’t need If you don’t store it, you don’t have to protect it. Skip collecting SSNs or raw card details. For authentication, use magic links or OAuth (Google, Facebook) instead of storing passwords yourself. The creator’s framing here is clean: you don’t want to be responsible for data you had no business holding in the first place.
- Run a security review before you ship The original poster suggests one direct prompt: “review this code for security risks, potential hacks, and bugs.” Just that ask catches a lot. For deeper automated audits, the expert recommends tools like CodeRabbit or TracerAI, which build security review right into your workflow.
- Sanitize user inputs Anything coming from a form needs to be cleaned before it touches your database. Malicious inputs are one of the oldest attack vectors and they still work on vibecoded apps that skip this step. Do it on the frontend for user experience, and on the server side for actual security. Both matter.
- Block bots Add reCAPTCHA or something equivalent. The contributor points out that bots creating mass accounts will drain your free tier limits faster than any real user traffic ever will. Takes about 20 minutes to set up and saves a real headache down the line.
- Get your infrastructure basics right Two things the author considers non-optional:
- HTTPS always. Let’s Encrypt is free. There’s no excuse not to use it.
- Set up Sentry or Datadog for real-time error and activity monitoring. You want to know when something suspicious happens, not find out three days later.
- Use Row-Level Security on your database Users should only see and edit their own data. Nothing else. The original poster notes that RLS rules handle this automatically, and you can ask the AI to write those rules based on your schema directly. It sounds more complicated than it is.
- Keep your dependencies updated Run
npm auditregularly. Third-party packages are a common attack surface, and most vulnerabilities already have patches sitting there waiting. The expert also recommends setting up automated daily or weekly backups with point-in-time restore, so a bad deploy or a breach doesn’t wipe everything out. - Don’t build auth or payments from scratch Use Stripe, PayPal, or Paddle for payments. Use established auth providers for login. The Redditor’s logic is solid: those teams have security as their entire job. You don’t need to compete with that. Just integrate it and move on.
What to Do After This List
julyvibecodes ended the post with something worth repeating: “The models will help you build fast. They won’t remind you to secure what you built. That part’s still on you.”
None of this is particularly hard. It just gets skipped when the focus is all on shipping speed. Run through this checklist before you go live and you’ll have covered the most common failure points that trip up early-stage vibecoded apps.
The full discussion is live on r/PromptEngineering if you want to see what the community added and compare notes on your own setup.
how to ACTUALLY secure your vibecoded app before it goes live.
by u/julyvibecodes in PromptEngineering