{"id":"CVE-2023-3920","summary":"Incorrect Authorization in GitLab","details":"An issue has been discovered in GitLab affecting all versions starting from 11.2 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that a maintainer to create a fork relationship between existing projects contrary to the documentation.","aliases":["BIT-gitlab-2023-3920"],"modified":"2026-02-18T03:41:15.684948Z","published":"2023-09-29T06:02:31.303Z","database_specific":{"cwe_ids":["CWE-863"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3920.json","cna_assigner":"GitLab"},"references":[{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3920.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/417481"},{"type":"REPORT","url":"https://hackerone.com/reports/2058121"},{"type":"ARTICLE","url":"https://hackerone.com/reports/2058121"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/2058121"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3920"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"44dbeccbe1039cb1d42d8502655ffb0bce3ae803"},{"fixed":"7fc27fe692abccaed7e2e0ebfea2aadf5140593f"}],"database_specific":{"versions":[{"introduced":"11.2"},{"fixed":"16.2.8"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"3dfd4e0bcc7eae4330e7fed87ec74bee9a8bdf2d"},{"fixed":"40d6bde8c59f78957b08b3a7cd9622a97b7af981"}],"database_specific":{"versions":[{"introduced":"16.3"},{"fixed":"16.3.5"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"e4c1c182610739c1b1d10a8eacbea1f5aa837ad6"},{"fixed":"229bc5f59850b16213b035138ad76f65b6724864"}],"database_specific":{"versions":[{"introduced":"16.4"},{"fixed":"16.4.1"}]}}],"versions":["11-10-0cfa69752d8-0d9531c80-ee","11-10-0cfa69752d8-74ffd66ae-ee","11-10-119f9509d50-6d7537235-ee","v11.2.0.pre","v11.3.0.pre","v16.2.0-ee","v16.2.0-rc42-ee","v16.2.0-rc43-ee","v16.2.0-rc44-ee","v16.2.0-rc45-ee","v16.2.1-ee","v16.2.2-ee","v16.2.3-ee","v16.2.4-ee","v16.2.5-ee","v16.2.6-ee","v16.2.7-ee","v16.3.0-ee","v16.3.1-ee","v16.3.2-ee","v16.3.3-ee","v16.3.4-ee","v16.4.0-ee","v6.0.0-ee","v6.0.0-ee.beta","v6.0.0-ee.rc1","v6.1.0-ee","v6.2.1","v6.2.2","v6.3.0-ee","v6.3.1-ee","v6.4.0-ee","v6.4.1","v6.4.2","v6.4.3","v6.5.0-ee","v6.5.1","v6.6.0-ee","v6.6.1","v6.6.2","v6.7.0-ee","v6.7.0.rc1-ee","v6.7.1","v6.7.2","v6.8.0-ee","v6.8.1","v7.0.0-ee","v7.1.0-ee","v7.1.0.rc1-ee","v7.2.0.rc1-ee","v7.2.0.rc2-ee","v7.2.0.rc3-ee","v7.2.0.rc4-ee","v7.2.0.rc5-ee","v7.3.0-ee","v7.3.0.rc1-ee","v7.4.0-ee","v7.4.1-ee","v7.4.2-ee","v7.4.3-ee","v7.4.4-ee","v8.11.0","v8.11.0-ee","v8.11.0-rc1","v8.11.0-rc1-ee","v8.11.0-rc2","v8.11.0-rc2-ee","v8.11.0-rc3","v8.11.0-rc3-ee","v8.11.0-rc4","v8.11.0-rc4-ee","v8.11.0-rc5","v8.11.0-rc5-ee","v8.11.0-rc6","v8.11.0-rc6-ee","v8.11.0-rc7","v8.11.0-rc7-ee","v8.11.1","v8.12.0","v8.12.0-ee","v8.12.0-rc1","v8.12.0-rc1-ee","v8.12.0-rc2","v8.12.0-rc2-ee","v8.12.0-rc3","v8.12.0-rc3-ee","v8.12.0-rc4","v8.12.0-rc4-ee","v8.12.0-rc5","v8.12.0-rc5-ee","v8.12.0-rc6","v8.12.0-rc6-ee","v8.12.0-rc7","v8.12.0-rc7-ee","v8.12.0.pre","v8.12.1","v8.12.1-ee","v8.12.2","v8.12.2-ee","v8.12.3-ee","v8.2.0-ee","v8.2.0.rc1","v8.2.0.rc1-ee","v8.2.0.rc2","v8.2.0.rc2-ee","v8.8.0","v8.8.0-ee","v8.8.0-rc1","v8.8.0-rc1-ee","v8.8.0-rc2","v8.8.0-rc2-ee","v8.8.1-ee"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-3920.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}