{"id":"CVE-2026-112212","aliases":[],"cve":{"records":[{"id":"CVE-2026-112212","source":"GitLab","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-19T10:34:06.433Z","published":"2026-10-21T23:33:45.429Z","modified":"2026-10-30T17:33:45.464Z"}],"publishers":[{"name":"GitLab","role":"CNA","organizationId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","modified":"2026-10-21T23:33:45.429Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T17:33:45.464Z"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/627499","tags":[],"source":"GitLab"},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/","tags":[],"source":"GitLab"}],"weaknesses":[{"id":"CWE-444","description":"CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')","source":"GitLab"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-30T17:32:37.930476Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab","titleSource":"GitLab","descriptionSource":"GitLab","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responses.","score":7.5,"severity":"high","published":"2026-10-21T23:33:45.429Z","modified":"2026-10-30T17:33:45.464Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"GitLab","name":"GitLab","platforms":[],"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","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"source":"GitLab","url":"https://www.cve.org/CVERecord?id=CVE-2026-112212"}],"remediation":[{"text":"Upgrade to versions 19.3.6, 19.4.3, 19.5.1 or above.","source":"GitLab","url":"https://www.cve.org/CVERecord?id=CVE-2026-112212"}],"references":["https://gitlab.com/gitlab-org/gitlab/-/work_items/627499","https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"],"sources":[{"name":"CVE","id":"CVE-2026-112212","modified":"2026-10-30T17:33:45.464Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-112212"}],"assessments":[{"source":"GitLab","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L","score":7.5}],"sourceAffected":[],"observedAt":"2026-10-30T18:28:25.624Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T07:45:30.596Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}