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An issue has been discovered in GitLab EE affecting all versions from 12.0 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. Under certain conditions users could bypass IP access restrictions and view sensitive information.
Reserved 2025-06-10 | Published 2025-06-12 | Updated 2025-06-12 | Assigner GitLabCWE-1220: Insufficient Granularity of Access Control
This vulnerability has been discovered internally by GitLab team member [@joernchen](https://gitlab.com/joernchen)
gitlab.com/gitlab-org/gitlab/-/issues/514456 (GitLab Issue #514456)
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