It was identified that under certain specific preconditions, an API key that was originally created with a specific privileges could be subsequently used to create new API keys that have elevated privileges.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-36557
https://discuss.elastic.co/t/elastic-cloud-enterprise-3-7-2-security-update-esa-2024-18/362181