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architecture
demo-startup/saas-mvp
Critical security vulnerabilities and missing production safeguards detected. SQL injection risk, exposed secrets, and no rate limiting make this unsafe for production deployment.
Summary
Architecture shows good separation between frontend and backend but lacks error handling patterns and has inconsistent API design across endpoints.
Issues Found (1)
Missing Global Error Handling
HIGHapi/middleware/error-handler.ts
Description
API routes lack a global error handler. Unhandled promise rejections and runtime errors crash the application instead of returning proper error responses.
Business Impact
HIGH: Application crashes expose stack traces to users, leaking internal implementation details. Requires manual restart.
Recommendation
Implement Express error handling middleware that catches all errors, logs them, and returns consistent error responses.
Safe Fix Guidelines
Add error middleware as the last middleware in the chain. Return 500 with generic message for unexpected errors.
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