Lesson 6 – Practical 3 (Part 1) | Mass Assignment & Privilege Escalation Attack Demo in Spring Boot скачать в хорошем качестве

Lesson 6 – Practical 3 (Part 1) | Mass Assignment & Privilege Escalation Attack Demo in Spring Boot

In this practical session (Lesson 6 – Practical 3, Part 1), we build a vulnerable API to demonstrate how mass assignment and privilege escalation attacks happen in real-world Spring Boot applications. To simulate a real backend system, we: ✅ Create a vulnerable user update endpoint ✅ Add a GET endpoint with basic role-based access checks ✅ Simulate authentication and authorization logic using user IDs ✅ Fetch current user data from the database for access validation ✅ Keep authorization simple (before advanced auth lessons) ✅ Intentionally avoid using DTOs ✅ Demonstrate mass assignment attacks ✅ Show how attackers escalate privileges By binding request data directly to entities, we expose sensitive fields and allow attackers to manipulate roles and permissions. This lesson helps you understand why shortcuts in API design lead to serious security risks, preparing you for the next part where we fix these vulnerabilities using DTOs and validation. Ideal for Java developers, backend engineers, and security learners. 👍 Like, comment, and subscribe if this helped you 💬 Questions and improvements are always welcome Follow me on my socials to connect and see more awesome stuff 📌 *GitHub:* [https://github.com/NganeEmmanue](https://github.com/NganeEmmanue) 💼 *LinkedIn:* [  / ngane-emmanuel-b25242150  ](  / ngane-emmanuel-b25242150  ) 📸 *Instagram:* @nganeemmanuel Github Repo: https://github.com/NganeEmmanuel/SFLL... 🏷️ Tags mass assignment demo,privilege escalation attack,spring boot vulnerability,java api security practical,backend security demo,over posting attack demo,spring boot rest api security,insecure api design,entity binding vulnerability,secure coding mistakes,owasp api vulnerabilities,cybersecurity practical,java backend security tutorial,authentication simulation,authorization demo,spring boot hacking demo,api security testing,application security lab,secure backend development,java spring boot practical