Information disclosure

An issue has been discovered in GitLab EE affecting all versions starting from 12.2 prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1. In GitLab, if a group enables the setting to restrict access to users belonging to specific domains, that allow-list may be bypassed if a Maintainer uses the ‘Invite a group’ feature to invite a group that has members that don’t comply with domain allow-list.