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An issue was discovered in GitLab CE/EE affecting all versions starting from 16.5 prior to 16.11.6, starting from 17.0 prior to 17.0.4, and starting from 17.1 prior to 17.1.2 in which a user with `admin_group_member` custom role permission could ban group members.
Reserved 2024-03-25 | Published 2024-07-11 | Updated 2024-09-17 | Assigner GitLabCWE-284: Improper Access Control
Thanks [ashish_r_padelkar](https://hackerone.com/ashish_r_padelkar) for reporting this vulnerability through our HackerOne bug bounty program
gitlab.com/gitlab-org/gitlab/-/issues/451921 (GitLab Issue #451921)
hackerone.com/reports/2431597 (HackerOne Bug Bounty Report #2431597)
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