Apache Submarine Commons Utils: default secret

** UNSUPPORTED WHEN ASSIGNED ** Improper Authentication vulnerability in Apache Submarine Commons Utils. If the user doesn't explicitly set `submarine.auth.default.secret`, a default value will be used. This issue affects Apache Submarine Commons Utils: from 0.8.0. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.