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Cursor
Security FAQ

Is Cursor safe for production?

Get instant answers about your app's security.

Short Answer

Cursor apps are production-capable, but "safe for production" is a binary dependent on verification: scanned and clean is safe, unscanned is not. The platform layer is fine; the application layer is where the question is actually decided.

Detailed Answer

Production readiness checklist for Cursor

Not a generic checklist — this is what fails in Cursor apps specifically and therefore what production readiness actually requires:

  1. **Secret Detection** — Scans your codebase for any API keys, tokens, or credentials that should be in environment variables.

2. **Code Security** — Analyzes code patterns for common vulnerabilities like injection, XSS, and insecure dependencies.

3. **Database Security** — Tests your database configuration for proper access controls and security policies.

4. **Security Headers** — Verifies your deployed application has proper HTTP security headers configured.

5. **RLS on every table** — Run `select tablename, rowsecurity from pg_tables where schemaname='public'` — any row with `rowsecurity=false` is a production blocker.

Production blockers (must be resolved before launch)

  • Prompt Injection in MCP Servers — Review MCP server sources. Avoid untrusted MCP integrations. Watch for suspicious tool calls.
  • Workspace Trust Exploitation — Enable Workspace Trust in settings. Review .cursor/ files before opening projects.

Each item here has been observed to cause data exposure in Cursor apps. Shipping to real users without closing these is not a risk calculation — it's a breach waiting.

Go/no-go signal

Run a vas scan. Zero critical + zero high findings = go. Any critical = absolute no-go. Any high = case-by-case depending on what data the app touches (a portfolio site ≠ a fintech app). This is a more reliable signal than "does it feel ready?" because feelings don't account for prompt injection in mcp servers.

Security Research & Statistics

10.3%

of Lovable applications (170 out of 1,645) had exposed user data in the CVE-2025-48757 incident

Source: CVE-2025-48757 security advisory

4.45 million USD

average cost of a data breach in 2023

Source: IBM Cost of a Data Breach Report 2023

500,000+

developers using vibe coding platforms like Lovable, Bolt, and Replit

Source: Combined platform statistics 2024-2025

Expert Perspectives

There's a new kind of coding I call 'vibe coding', where you fully give in to the vibes, embrace exponentials, and forget that the code even exists.

Andrej Karpathy, Former Tesla AI Director, OpenAI Co-founder

It's not really coding - I just see stuff, say stuff, run stuff, and copy paste stuff, and it mostly works.

Andrej Karpathy, Former Tesla AI Director, OpenAI Co-founder

Check Your Cursor App's Security

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More Questions About This Topic

Can Cursor apps scale for production workloads?

Performance scaling is a different question from security scaling. Cursor's underlying infrastructure (supabase, firebase, postgres) handles substantial traffic. The scaling concern is that security issues compound at scale: a missing Row Level Security (RLS) policies entry exposes 100 records at a small app, 100,000,000 at a large one. Rate-limit gaps at scale become DoS amplifiers. Resolve the findings above before scaling, not after.

Do Cursor apps meet SOC 2 or HIPAA requirements?

Not by default — and the platform's own SOC 2 status doesn't transfer. Compliance is app-level: you need audit logging on sensitive reads/writes, data encryption for PHI/PII fields beyond the default, access reviews, and documented incident response. Cursor apps can meet SOC 2/HIPAA, but Cursor doesn't ship you there — a security scan plus targeted compliance work does.

What's the single most important thing to do before launching a Cursor app?

Run a vas scan. This single step catches the majority of pre-launch issues in Cursor apps — it's faster than any manual review, produces fixable output, and gives you a go/no-go answer in minutes. Every other pre-launch action (testing flows, reviewing env vars) is downstream of "did the scan pass?"