{"id":"CVE-2026-1338","aliases":["BIT-gitlab-2026-1338","EUVD-2026-30221","GHSA-8h74-p4xx-m53m","UBUNTU-CVE-2026-1338"],"status":"published","title":"Authorization Bypass Through User-Controlled Key in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00229,"percentile":0.13831,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639"],"published":"2026-05-14T05:36:42Z","modified":"2026-10-30T10:30:35Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["18.9.7","18.10.6","18.11.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"17.10.0"},{"fixed":"18.9.7"},{"introduced":"18.10.0"},{"fixed":"18.10.6"},{"introduced":"18.11.0"},{"fixed":"18.11.3"}]}]},{"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://hackerone.com/reports/3480620","tags":["technical-description","exploit","permissions-required","Permissions Required","web","report"]},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/587326","tags":["Not Applicable","web","report"]},{"url":"https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/","tags":["Release Notes","article","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1338","tags":["web","advisory"]},{"url":"https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released"},{"url":"https://github.com/advisories/GHSA-8h74-p4xx-m53m"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1338.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2026-1338","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-1338","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-1338","title":"Authorization Bypass Through User-Controlled Key in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.","status":"published","published":"2026-05-14T05:36:42.333Z","modified":"2026-05-14T13:05:58.427Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:20:00.879257Z"}],"euvd":[{"id":"EUVD-2026-30221","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.","status":"published","published":"2026-05-14T05:36:42Z","modified":"2026-05-14T13:05:58Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:04:31.58892Z"}],"ghsa":[{"id":"GHSA-8h74-p4xx-m53m","title":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7,...","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.","status":"published","published":"2026-05-14T06:31:33Z","modified":"2026-05-14T06:31:33Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:08:08.28199Z"}],"nvd":[{"id":"CVE-2026-1338","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.","status":"published","published":"2026-05-14T06:16:21.52Z","modified":"2026-06-17T10:15:37.76Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:19.020465Z"}],"osv":[{"id":"CVE-2026-1338","title":"Authorization Bypass Through User-Controlled Key in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.","status":"published","published":"2026-05-14T05:36:42.333Z","modified":"2026-10-30T10:30:35.6635459Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:44:57.354194Z"},{"id":"UBUNTU-CVE-2026-1338","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.","status":"published","published":"2026-05-14T06:16:00Z","modified":"2026-05-20T22:01:25.071571688Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:56:00.592716Z"},{"id":"BIT-gitlab-2026-1338","title":"Authorization Bypass Through User-Controlled Key in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.","status":"published","published":"2026-05-18T06:09:57.804Z","modified":"2026-09-08T08:48:11.95707913Z","updated_at":"2026-11-02T15:28:30.70064Z"}]}}