{"id":"CVE-2026-4916","aliases":["BIT-gitlab-2026-4916","EUVD-2026-20801","GHSA-h92q-g5vv-9g2c","UBUNTU-CVE-2026-4916"],"status":"published","title":"Missing Authorization in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00361,"percentile":0.30202,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862"],"published":"2026-04-08T22:25:22Z","modified":"2026-10-30T10:30:21Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["18.8.9","18.9.5","18.10.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"18.2.0"},{"fixed":"18.8.9"},{"introduced":"18.9.0"},{"fixed":"18.9.5"},{"introduced":"18.10.0"},{"fixed":"18.10.3"}]}]},{"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/3301240","tags":["technical-description","exploit","permissions-required","Permissions Required","web","report"]},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/565414","tags":["Broken Link","web","report"]},{"url":"https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/","tags":["Release Notes","Vendor Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4916","tags":["web","advisory"]},{"url":"https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released"},{"url":"https://github.com/advisories/GHSA-h92q-g5vv-9g2c"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4916.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2026-4916","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-4916","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-4916","title":"Missing Authorization in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.","status":"published","published":"2026-04-08T22:25:22.837Z","modified":"2026-04-09T13:05:54.501Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:19:59.369956Z"}],"euvd":[{"id":"EUVD-2026-20801","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.","status":"published","published":"2026-04-08T22:25:22Z","modified":"2026-04-09T13:05:54Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T19:24:31.230458Z"}],"ghsa":[{"id":"GHSA-h92q-g5vv-9g2c","title":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18...","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.","status":"published","published":"2026-04-09T00:32:01Z","modified":"2026-04-09T00:32:08Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:07:23.155154Z"}],"nvd":[{"id":"CVE-2026-4916","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.","status":"published","published":"2026-04-08T23:17:00.053Z","modified":"2026-07-24T20:10:00.147Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:13.902911Z"}],"osv":[{"id":"CVE-2026-4916","title":"Missing Authorization in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.","status":"published","published":"2026-04-08T22:25:22.837Z","modified":"2026-10-30T10:30:21.279661627Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:07.060148Z"},{"id":"UBUNTU-CVE-2026-4916","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.","status":"published","published":"2026-04-08T23:17:00Z","modified":"2026-04-16T09:12:29Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T16:56:33.391918Z"},{"id":"BIT-gitlab-2026-4916","title":"Missing Authorization in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.","status":"published","published":"2026-04-13T06:10:14.681Z","modified":"2026-09-08T08:47:46.399074196Z","updated_at":"2026-11-02T15:28:30.70064Z"}]}}