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Notes on securing AI-built apps.

Real breaches, real fixes, and the exact checks that catch what Cursor, Lovable, and Bolt leave open before you ship.

July 23, 202613 min read

Best Vibe Coding Security Tools in 2026 (Ranked & Compared)

9 real security tools for AI-built apps, compared on what they actually scan, real pricing, and honest pros and cons. No filler entries.

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Firebase Security Rules examples for Firestore, Realtime Database and Cloud Storage.

Platform GuidesSeptember 12, 2026

Firebase Security Rules: Working Examples for Firestore, Realtime Database and Storage

Firebase gives clients direct access to your data. Google's own documentation says the rules are the only safeguard. Here are the rules that actually work, the ways people write them wrong, and how to catch a bad rules deploy after it ships.

Is Cursor safe? Cursor editor vulnerabilities and the security of the code Cursor generates.

Platform GuidesSeptember 12, 2026

Is Cursor Safe? Three Patched CVEs, and the Bigger Risk in the Code It Writes

There are two honest answers to whether Cursor is safe. The editor has had real, patched vulnerabilities, and you should know which version closes them. The code it writes is a larger and ongoing risk, and our scan data shows where it breaks.

Is Netlify safe? Platform security review and netlify.app link guidance from Ubserve.

Platform GuidesSeptember 12, 2026

Is Netlify Safe? Both Answers, For Developers and For Visitors

Two different people search this. One is deciding whether to deploy on Netlify. The other was sent a netlify.app link and wants to know if it is a scam. The answers are not the same, so this page answers both.

Is Supabase safe? Row Level Security findings from 117 Supabase apps scanned by Ubserve.

Platform GuidesSeptember 12, 2026

Is Supabase Safe? 55% of Supabase Apps We Scanned Had an Open Table

The anon key in your frontend bundle is supposed to be there. Supabase says so. The question that decides whether your app is safe is what that key can reach, and for most of the apps we scan the answer is too much.

Is Vercel safe? Security findings from 102 Vercel-hosted apps scanned by Ubserve.

Platform GuidesSeptember 12, 2026

Is Vercel Safe? What We Found in 102 Vercel-Hosted Apps

Vercel holds SOC 2 Type 2 and ISO 27001, encrypts your environment variables, and absorbs DDoS traffic for free. None of that touches the layer where Vercel-hosted apps actually fail, which our scan data shows is CORS.

AlternativesSeptember 2, 2026

Claude Code Alternatives

Most people looking for a Claude Code alternative are looking for the same agentic workflow on a different bill. Here is what actually matches it, and what each one leaves for you to check.

AlternativesSeptember 2, 2026

Cursor Alternatives

Most Cursor alternative lists rank on price and autocomplete. This one adds the column nobody publishes: what each tool leaves for you to check before you ship.

Tool ComparisonsSeptember 2, 2026

Cursor vs Claude Code

One is an IDE that shows you every diff. The other is a terminal agent that works while you look away. That single difference drives cost, review discipline, and the kind of bug each one leaves behind.

AlternativesSeptember 2, 2026

Lovable Alternatives

Lovable wins on first impressions. People leave when the prototype has to become a product. Here is what to move to, and what each option asks you to check.

Tool ComparisonsSeptember 2, 2026

Lovable vs Bolt

Lovable makes it look good. Bolt shows you how it works. The right pick depends entirely on whether you plan to open the code.

Tool ComparisonsSeptember 2, 2026

Lovable vs Cursor

These are not really competitors. One builds the app for you, the other helps you build it. Choosing wrong costs you months, not dollars.

AlternativesSeptember 2, 2026

Replit Alternatives

Replit does two jobs at once: cloud IDE and prompt-to-app builder. Which alternative fits depends on which of those you actually came for.

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Notes on securing AI-built apps.

Best Vibe Coding Security Tools in 2026 (Ranked & Compared)

Firebase Security Rules: Working Examples for Firestore, Realtime Database and Storage

Is Cursor Safe? Three Patched CVEs, and the Bigger Risk in the Code It Writes

Is Netlify Safe? Both Answers, For Developers and For Visitors

Is Supabase Safe? 55% of Supabase Apps We Scanned Had an Open Table

Is Vercel Safe? What We Found in 102 Vercel-Hosted Apps

Claude Code Alternatives

Cursor Alternatives

Cursor vs Claude Code

Lovable Alternatives

Lovable vs Bolt

Lovable vs Cursor

Replit Alternatives

Replit vs Lovable

Windsurf vs Cursor

Claude Code Security Review: What It Actually Catches, and What It Misses

Vibe Coding Hacked: Three Real Breaches and What Went Wrong

Base44 Security: What Authentication Bypass Means for Builders

Ubserve vs ScanVibe: Which Vibe Coding Scanner Finds What Matters

I Ignored Security for Months Building My SaaS. Here Is What I Found When I Finally Looked.

I Used to Ask Claude to Audit My Code. Here Is Why I Stopped.

Exposed API Key: Exactly What to Do in the Next 10 Minutes

Supabase RLS Not Working? Here's Why Your Row Level Security Policies Are Failing

25 Vibe Coding Security Risks (Based on Data from 1,000 Real Apps)

The Supabase Security Checklist: 15 Checks Before You Ship

Bolt.new Security: Every Vulnerability Bolt's Frontend-First Code Leaves Open

Lovable security checklist: The complete pre-deployment guide to protecting your Lovable.dev app.

Replit security checklist: Secrets, exposed ports, and everything you're probably missing.

v0 security checklist: The Next.js + Supabase security checklist for v0-generated apps.

Windsurf Security Risks: How to Secure a Cascade-Built App Before Production

Runtime Exploit Simulation Now Covers Next.js Server Actions

New Supabase RLS Drift Detection for Paid Audit Plans

Best VibeAppScanner Alternative for AI-Built Apps

Best Fencer.dev Alternative for AI-Built Apps

Best AuditYourApp Alternative for AI-Built Apps

Best StackHawk Alternative for AI-Built Apps

Ubserve vs. Manual Security Review for AI-Built Apps

Pre-deploy security checklist: The absolute launch readiness guide for vibe-coded AI apps.

Stop guessing whether your app is safe.