Issues related to SSO, tuning and thread safety have been found when using Puma as the application server. The application deployment should be switched back to using Passenger as the application server to bring it on par with Satellite 6.7.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Important: Satellite 6.8 release), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2020:4366