Spring Security 6.4.0 - 6.4.3 may not correctly locate method security annotations on parameterized types or methods. This may cause an authorization bypass.
You are not affected if you are not using @EnableMethodSecurity, or you do not have method security annotations on parameterized types or methods, or all method security annotations are attached to target methods
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.