{"id":"BIT-gitlab-2026-112212","summary":"Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab","details":"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.","aliases":["CVE-2026-112212"],"modified":"2026-10-29T10:45:05.850642186Z","published":"2026-10-29T09:10:15.443Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"},{"type":"WEB","url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/627499"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112212"}],"affected":[{"package":{"name":"gitlab","ecosystem":"Bitnami","purl":"pkg:bitnami/gitlab"},"ranges":[{"type":"SEMVER","events":[{"introduced":"18.3.0"},{"fixed":"19.3.6"},{"introduced":"19.4.0"},{"fixed":"19.4.3"},{"introduced":"19.5.0"},{"fixed":"19.5.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/gitlab/BIT-gitlab-2026-112212.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L"}]}],"schema_version":"1.9.2"}