X-dev-access Yes

: Send the request (usually a POST request to a login endpoint) with any dummy credentials. If the server is vulnerable to this "backdoor," it will grant access or reveal a "flag". Discovery Process

This challenge highlights how small developer oversights, such as leaving or sensitive hints in public HTML comments, can lead to critical security vulnerabilities. For learning more about securing your own projects, the Open Source Security Guide offers insights into avoiding these common mistakes. x-dev-access yes

: Submit the modified request. The server, recognizing the developer access header, will bypass the password check and return the flag in the response. Key Vulnerability Lessons : Send the request (usually a POST request