Did you know you could use Spring Data JPA in Quarkus? Find out how!
This is a pretty easy retired HackTheBox machine that you should try out! It has a straight forward exploitation path.
Yet another OSCP-Like Vulnhub machine, this one is recommended if you're looking to challenge your exploitation skills. Try it out by yourself first!
Machine link: https://www.vulnhub.com/entry/brainpan-1,51/