{"id":"CVE-2026-2900","summary":"Missing Authorization in GitLab","details":"GitLab has remediated an issue in GitLab EE affecting all versions from 16.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that when instance-level approval rule editing prevention was enabled, could have allowed an authenticated user with Maintainer permissions to modify or delete project approval rules due to missing authorization checks.","aliases":["BIT-gitlab-2026-2900"],"modified":"2026-08-27T11:30:58.484835579Z","published":"2026-05-14T05:36:17.336Z","database_specific":{"cwe_ids":["CWE-862"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2900.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"16.10"},{"fixed":"18.9.7"},{"introduced":"18.10"},{"fixed":"18.10.6"},{"introduced":"18.11"},{"fixed":"18.11.3"}]},{"extracted_events":[{"introduced":"16.10"},{"fixed":"18.9.7"},{"introduced":"18.10"},{"fixed":"18.10.6"},{"introduced":"18.11"},{"fixed":"18.11.3"}],"source":"DESCRIPTION"}],"cna_assigner":"GitLab"},"references":[{"type":"WEB","url":"https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"},{"type":"WEB","url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/590983"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2900.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2900"},{"type":"REPORT","url":"https://hackerone.com/reports/3561092"},{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"053df647320e7cac5c255f9e07264a0c35548409"},{"fixed":"d2242c5752a152db3c281d8a9d1e7f248e1654a9"},{"introduced":"57c08314af5bc8f317b1967330f92ed029e2c628"},{"fixed":"f80804c4e73fb0404af24e88ffb5246c0aeeda40"},{"introduced":"1060c7b0ff78be7c8abe8fd6d23dcb1ca493fd78"},{"fixed":"daa4145c8330213081c57260b569539e3b157b87"}],"database_specific":{"extracted_events":[{"introduced":"16.10.0"},{"fixed":"18.9.7"},{"introduced":"18.10.0"},{"fixed":"18.10.6"},{"introduced":"18.11.0"},{"fixed":"18.11.3"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"}}],"versions":["v18.10.5-ee","v18.11.2-ee","v18.11.0-ee","v18.10.2-ee","v18.10.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2900.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N"}]}