Master Secure Coding
Master Secure Coding
Level up your security skills with hands-on code review challenges. Identify and fix vulnerabilities to become a better engineer.
VendCloud Sync
Review the backend code for VendCloud, a smart vending machine platform that syncs inventory and pricing data with a cloud service. The system handles real-time price lookups and sales logging for a network of IoT vending machines deployed across office buildings. Security team received reports of anomalous pricing behavior at certain locations. Examine how the platform communicates with external services.
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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