{"schema_version":"1","data":[{"id":50024,"advisory_id":"dfcb327f-677e-4730-8fce-1d333d6edeac","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112212","source_published_at":"2026-10-21T23:33:45.429+00:00","published_at":"2026-10-25T13:59:36.666221+00:00","extraction_method":"structured","technologies":["core-cve","gitlab"],"cve_ids":["CVE-2026-112212"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab","summary":"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.","evidence":"cve:CVE-2026-112212","products":[{"name":{"value":"GitLab","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"high","structured":{"id":"CVE-2026-112212","aliases":["CVE-2026-112212"],"metrics":[{"format":"CVSS","cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"HIGH","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"HIGH"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"affected":[{"cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"repo":"https://gitlab.com/gitlab-org/gitlab","vendor":"GitLab","product":"GitLab","versions":[{"status":"affected","version":"18.3","lessThan":"19.3.6","versionType":"semver"},{"status":"affected","version":"19.4","lessThan":"19.4.3","versionType":"semver"},{"status":"affected","version":"19.5","lessThan":"19.5.1","versionType":"semver"}],"defaultStatus":"unaffected"}],"modified":"2026-10-21T23:33:45.429Z","provider":"cve","references":["https://gitlab.com/gitlab-org/gitlab/-/work_items/627499","https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"],"provider_metadata":{"cna":{"orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab","dateUpdated":"2026-10-21T23:33:45.429Z"}}},"related_cves":[{"value":"CVE-2026-112212","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"},"priority":{"reasons":["publisher_severity"],"severity":"high","linked_cves":[],"fix_available":false,"known_exploited":false,"publisher_severity":"high"},"context_update":false}],"next_after":50024,"next_before":50024}