A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3 allowed all authenticated users to modify sources in projects where they do not have write permissions.
https://lists.opensuse.org/opensuse-buildservice/2018-06/msg00014.html
https://github.com/openSUSE/open-build-service/commit/b15cf19e9e01115f653c76ffdc8f54cd97566553