bkimminich/juice-shop

The OWASP Juice Shop codebase exhibits clear indicators of a monolithic architecture pattern that is creating severe delivery bottlenecks. Core business logic is densely coupled across authentication, payment, and product modules — meaning a single change in one area cascades unpredictably into others. This structure adds an estimated 167 engineering-days of remediation overhead and is the primary driver behind the project's low health score.

Of particular concern is the extremely high cyclomatic complexity in the routes/login.ts and lib/insecurity.ts modules. These files handle authentication and security operations with deeply nested conditional branches, making them both a critical security risk and a maintenance nightmare. Any patch to these modules carries a high probability of introducing regressions. Immediate refactoring — starting with extracting pure functions and adding comprehensive test coverage — is strongly recommended.