Spring Circular bean reference error in Spring Boot v2.6.0 and above

The same project running in Spring Boot v2.5.13 runs without any errors, but when upgrading to Spring Boot v2.6.0 or above it fails with error message:

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APPLICATION FAILED TO START
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Description:

The dependencies of some of the beans in the application context form a cycle:

How to reproduce: Check working code from https://github.com/fteran/spring-security-oauth-demo.git Update pom.xml line 8 to <version>2.6.0</version> Run project by executing command: .\mvnw spring-boot:run

Comment From: sbrannen

Closing as a duplicate of https://github.com/spring-projects/spring-boot/issues/30854 in the Spring Boot issue tracker.