{"schema":"threatline.record/2","record":{"id":"CVE-2026-112212","aliases":[],"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.","categories":["Applications & CMS"],"product":"GitLab","vendor":"GitLab","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112212","source_modified_at":"2026-10-21T23:33:45.429Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"GitLab","vendor":"GitLab","versions":[{"version":"18.3","status":"affected","lessThan":"19.3.6","versionType":"semver"},{"version":"19.4","status":"affected","lessThan":"19.4.3","versionType":"semver"},{"version":"19.5","status":"affected","lessThan":"19.5.1","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112212","source_modified_at":"2026-10-21T23:33:45.429Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"GitLab","ecosystem":null},"version":"19.3.6","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112212","source_modified_at":"2026-10-21T23:33:45.429Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"GitLab","ecosystem":null},"version":"19.4.3","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112212","source_modified_at":"2026-10-21T23:33:45.429Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"GitLab","ecosystem":null},"version":"19.5.1","basis":"first unaffected version stated in the CVE record"}],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.0019,"percentile":0.08213,"score_date":"2026-10-23"},"published_at":"2026-10-21T23:33:45.429Z","modified_at":"2026-10-21T23:33:45.429Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-112212","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-21T23:33:45.429Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-112212","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/627499"},{"source":"CVE List","url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-21T23:33:45.429Z","content_hash":"af4051d642e4d6192010fc6548c6754404d6d0a9e26f21b067fef3c0e3eef738"}}