{"id":"BIT-gitlab-2026-12436","summary":"Improperly Controlled Modification of Dynamically-Determined Object Attributes in GitLab","details":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of user-supplied attributes when processing pipeline schedule inputs.","aliases":["CVE-2026-12436"],"modified":"2026-08-17T08:00:37.913172318Z","published":"2026-08-17T06:06:24.880Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"]},"references":[{"type":"WEB","url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/"},{"type":"WEB","url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/603223"},{"type":"WEB","url":"https://hackerone.com/reports/3800511"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12436"}],"affected":[{"package":{"name":"gitlab","ecosystem":"Bitnami","purl":"pkg:bitnami/gitlab"},"ranges":[{"type":"SEMVER","events":[{"introduced":"18.0.0"},{"fixed":"19.0.5"},{"introduced":"19.1.0"},{"fixed":"19.1.3"},{"introduced":"19.2.0"},{"fixed":"19.2.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/gitlab/BIT-gitlab-2026-12436.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L"}]}],"schema_version":"1.9.0"}