{"id":"UBUNTU-CVE-2023-6477","details":"An issue has been discovered in GitLab EE affecting all versions starting from 16.5 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. When a user is assigned a custom role with admin_group_member permission, they may be able to make a group, other members or themselves Owners of that group, which may lead to privilege escalation.","modified":"2025-10-24T05:01:39Z","published":"2024-02-22T00:15:00Z","upstream":["CVE-2023-6477"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6477"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/433463"},{"type":"REPORT","url":"https://hackerone.com/reports/2270898"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-6477"}],"affected":[{"package":{"name":"gitlab","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gitlab@8.5.8+dfsg-5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"],"ecosystem_specific":{"binaries":[{"binary_name":"gitlab","binary_version":"8.5.8+dfsg-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6477.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L"},{"type":"Ubuntu","score":"medium"}]}