{"id":"CVE-2023-2181","aliases":["BIT-gitlab-2023-2181","EUVD-2023-33698","GHSA-m96m-mfqc-86mf","UBUNTU-CVE-2023-2181"],"status":"published","title":"An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10...","description":"An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00729,"percentile":0.54562,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-05-12T00:00:00Z","modified":"2026-10-30T10:46:31Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["15.9.8","15.10.7","15.11.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"15.9.8"},{"introduced":"15.10.0"},{"fixed":"15.10.7"},{"introduced":"15.11.0"},{"fixed":"15.11.3"}]}]},{"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/407859","tags":["x_transferred","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/1938185","tags":["x_transferred","Permissions Required","web","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2181.json","tags":["x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2181","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-m96m-mfqc-86mf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2181.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-2181","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-2181","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-2181","description":"An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.","status":"published","published":"2023-05-12T00:00:00Z","modified":"2025-01-24T15:47:03.675Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:24.004321Z"}],"euvd":[{"id":"EUVD-2023-33698","description":"An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.","status":"published","published":"2023-05-12T00:00:00Z","modified":"2025-01-24T15:47:03Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:14.026358Z"}],"ghsa":[{"id":"GHSA-m96m-mfqc-86mf","title":"An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10...","description":"An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.","status":"published","published":"2023-05-12T21:30:15Z","modified":"2024-04-04T04:04:52Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T14:56:21.184647Z"}],"nvd":[{"id":"CVE-2023-2181","description":"An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.","status":"published","published":"2023-05-12T21:15:09.49Z","modified":"2026-06-17T05:51:56.123Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:08:02.399327Z"}],"osv":[{"id":"CVE-2023-2181","description":"An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.","status":"published","published":"2023-05-12T00:00:00Z","modified":"2026-10-30T10:46:31.437788035Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:30.334753Z"},{"id":"UBUNTU-CVE-2023-2181","description":"An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.","status":"published","published":"2023-05-12T21:15:00Z","modified":"2025-10-24T05:01:16Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T16:54:18.756095Z"},{"id":"BIT-gitlab-2023-2181","description":"An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.","status":"published","published":"2024-03-06T11:09:18.974Z","modified":"2026-09-10T16:00:45.857954423Z","updated_at":"2026-11-02T15:28:30.405543Z"}]}}