{"id":"BIT-gitlab-2026-1338","summary":"Authorization Bypass Through User-Controlled Key in GitLab","details":"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.","aliases":["CVE-2026-1338"],"modified":"2026-05-18T08:00:47.567752Z","published":"2026-05-18T06:09:57.804Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"]},"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/587326"},{"type":"WEB","url":"https://hackerone.com/reports/3480620"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1338"}],"affected":[{"package":{"name":"gitlab","ecosystem":"Bitnami","purl":"pkg:bitnami/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"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/gitlab/BIT-gitlab-2026-1338.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}],"schema_version":"1.7.5"}