Master Secure Coding
Level up your security skills with hands-on code review challenges. Identify and fix vulnerabilities to become a better engineer.
Banking Balance
Review code for a digital banking application built with Spring Boot. The app allows customers to check their account balances and transfer funds. A recent security audit highlighted concerns about API authorization controls. Your task is to examine the balance retrieval endpoint and ensure users can only access their own financial information.
Vulnerable Code
Instructions:
- Browse through the files to understand the application structure
- Find and click on the line containing the vulnerability
- Click "Check Line" to verify your answer
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