{"id":"CVE-2026-112212","published":"2026-10-22T01:16:57.740","lastModified":"2026-10-22T16:18:19.040","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an externally controlled server, due to improper trust of user-supplied values when constructing endpoint URLs in cached discovery responses.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L","cwes":["CWE-444"],"vendors":[],"products":[],"references":[{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/","tags":[]},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/627499","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}