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An issue has been discovered in GitLab EE affecting all versions from 18.0 before 18.0.4 and 18.1 before 18.1.2 that could have allowed authenticated users with invitation privileges to bypass group-level user invitation restrictions by manipulating group invitation functionality.
Reserved 2025-05-19 | Published 2025-07-10 | Updated 2025-07-10 | Assigner GitLabCWE-863: Incorrect Authorization
Thanks [mateuszek](https://hackerone.com/mateuszek) for reporting this vulnerability through our HackerOne bug bounty program
gitlab.com/gitlab-org/gitlab/-/issues/543816 (GitLab Issue #543816)
hackerone.com/reports/3148693 (HackerOne Bug Bounty Report #3148693)
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