{"id":"CVE-2023-1555","summary":"Missing Authorization in GitLab","details":"An issue has been discovered in GitLab affecting all versions starting from 15.2 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. A namespace-level banned user can access the API.","aliases":["BIT-gitlab-2023-1555"],"modified":"2026-04-10T04:55:13.976029Z","published":"2023-09-01T10:01:36.711Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1555.json","cna_assigner":"GitLab","cwe_ids":["CWE-262"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1555.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1555"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/398587"},{"type":"REPORT","url":"https://hackerone.com/reports/1911908"},{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"d836c22d87f6f0397b93cc72ce3af27a6dc02d93"},{"fixed":"075efefa5f88454cb1afda1f0270e91edcb55ed3"}],"database_specific":{"versions":[{"introduced":"15.2"},{"fixed":"16.1.5"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"3adc0fe6e7c163bedd7faa5f0c4d1e5fbb6bf3c5"},{"fixed":"16c20745a286eb674f48366d84abe5f4dd5fb2c6"}],"database_specific":{"versions":[{"introduced":"16.2"},{"fixed":"16.2.5"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"3dfd4e0bcc7eae4330e7fed87ec74bee9a8bdf2d"},{"fixed":"67bb799df143b3adf43688cfa074e10c8a1d9a0c"}],"database_specific":{"versions":[{"introduced":"16.3"},{"fixed":"16.3.1"}]}}],"versions":["v16.2.0-ee","v16.2.1-ee","v16.2.3-ee","v16.2.4-ee","v16.3.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-1555.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N"}]}