{"id":"CVE-2023-3907","aliases":["BIT-gitlab-2023-3907","EUVD-2023-44533","GHSA-hmrg-q92x-qw2x","UBUNTU-CVE-2023-3907"],"status":"published","title":"Improper User Management in GitLab","description":"A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to Owner","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00683,"percentile":0.52791,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269","CWE-286"],"published":"2023-12-17T23:02:36Z","modified":"2026-10-28T02:30:57Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["16.4.4","16.5.4","16.6.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"16.0.0"},{"fixed":"16.4.4"},{"introduced":"16.5.0"},{"fixed":"16.5.4"},{"introduced":"16.6.0"},{"fixed":"16.6.2"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/418878","tags":["issue-tracking","x_transferred","Issue Tracking","Vendor Advisory","advisory","report"]},{"url":"https://hackerone.com/reports/2058934","tags":["technical-description","exploit","permissions-required","x_transferred","Permissions Required","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3907","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-hmrg-q92x-qw2x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3907.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2023-3907","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-3907","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-3907","title":"Improper User Management in GitLab","description":"A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to 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16.4...","description":"A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to Owner","status":"published","published":"2023-12-18T00:30:23Z","modified":"2024-10-03T09:31:41Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-269","CWE-286"],"updated_at":"2026-11-02T14:58:24.112371Z"}],"nvd":[{"id":"CVE-2023-3907","description":"A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to 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Owner","status":"published","published":"2023-12-17T23:02:36.694Z","modified":"2026-10-28T02:30:57.27969698Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-286"],"updated_at":"2026-11-02T15:44:32.922049Z"},{"id":"UBUNTU-CVE-2023-3907","description":"A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to Owner","status":"published","published":"2023-12-17T23:15:00Z","modified":"2025-10-24T05:01:27Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T16:54:21.882004Z"},{"id":"BIT-gitlab-2023-3907","title":"Improper User Management in GitLab","description":"A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to Owner","status":"published","published":"2024-03-06T11:03:07.886Z","modified":"2026-09-08T08:47:42.802597372Z","updated_at":"2026-11-02T15:28:30.405543Z"}]}}