Lovable Security

Your Lovable App Has Security Holes

Lovable builds beautiful apps fast - but it consistently misses critical security configurations. We've scanned hundreds of Lovable apps and found an average of 23 vulnerabilities per app.

Live Security Progressmyapp.lovable.app
Auto-fix run
32
Needs attention
5 issues still open.
CRITICALSupabase service_role key exposed in browser code
CRITICALNo table privacy rules (RLS) enabled
CRITICALOpenAI key hardcoded in frontend files
HIGHAdmin check only happens in the browser
HIGHDefault admin login still works

Industry Data

Observed across scanned apps
#1Avg vulnerabilities per Lovable app
0
#2Apps with exposed Supabase keys
0%
#3Apps missing RLS policies entirely
0%
#4Critical issues found on first scan
0.0

The 6 Most Dangerous Lovable Security Mistakes

These issues appear in the majority of Lovable apps - and most builders have no idea they exist.

Critical
Supabase service_role Key in Frontend
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Critical risk
What this means for your app

Lovable apps commonly expose the Supabase service_role key in client-side JavaScript bundles, bypassing all Row Level Security policies completely.

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Critical
Missing Row Level Security (RLS)
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Critical risk
What this means for your app

Lovable generates Supabase tables without RLS policies by default. Any user can read, modify, or delete any row in your database.

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Critical
OpenAI / API Keys Hardcoded
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Critical risk
What this means for your app

AI API keys (OpenAI, Anthropic, etc.) are frequently embedded directly in frontend code by Lovable, letting anyone use your keys at your expense.

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High
Client-Side Auth Checks Only
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High risk
What this means for your app

Admin panels protected only by localStorage checks (e.g., isAdmin=true) with no server-side validation. Anyone with DevTools can become admin.

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High
Default Credentials Active
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High risk
What this means for your app

Lovable often generates apps with predictable login credentials like admin@example.com / password123 that remain active in production.

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High
No Security Headers Configured
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High risk
What this means for your app

Lovable deployments typically ship with 0/6 recommended security headers: no CSP, no HSTS, no X-Frame-Options, CORS set to wildcard.

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How PolyDefender Fixes This

Purpose-built for Lovable apps - not generic security advice

Scan any lovable.app URL - no code access needed
Detects all 6 common issues above + 15 more vulnerability types
Lovable-specific fix instructions, not generic advice
Shows exactly which Supabase tables are exposed
Tests for the default credentials Lovable generates
Results in under 5 minutes, 3 free scans per account

PolyDefender vs. Generic Scanners

🔍

Generic Scanner

  • ✗Finds: OWASP basics only
  • ✗Requires: code or repo access
  • ✗Advice: generic remediation docs
  • ✗Misses: Supabase RLS, Lovable patterns
  • ✗Context: none - same for every app

PolyDefender for Lovable

  • ✓Finds: Lovable-specific vulnerabilities
  • ✓Requires: only your public app URL
  • ✓Advice: Lovable-specific fix steps
  • ✓Checks: Supabase RLS, exposed keys, defaults
  • ✓Context: built for how Lovable generates code

Scan Your Lovable App Now

Free scan - see your security score and every vulnerability in under 5 minutes. No code access, no signup required.

1See your score
2Read findings
3Fix with AI
No signup required65 security checksResults in <5 minFree forever