In this video, I’ll show you how to fix a common CORS issue in Spring Boot when the Authorization header is coming through as null. If you’re using AngularJS for your frontend and facing this problem, I’ll explain how to properly configure both Spring Security and CORS to ensure the Authorization token is sent correctly and processed by your backend. By the end of this video, you’ll know exactly how to solve this issue and make sure your authentication works smoothly between the frontend and backend.