A vulnerability in WildFly Core's deployment-operation handlers allows a user with the restricted 'Maintainer' role to bypass role-based access control and read sensitive configuration files. This flaw can lead to credential exfiltration and full administrative control (SuperUser) of the server. The issue arises from improper sensitivity classification in certain handlers like upload-deployment-url. Red Hat rates this vulnerability as Important with a high CVSS score of 8.8. Currently, no effective mitigation or patch meeting Red Hat's criteria is available.