{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-112212","sourceIdentifier":"cve@gitlab.com","published":"2026-10-22T01:16:57.740","lastModified":"2026-11-04T23:10:00.223","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"GitLab ha corregido un problema en GitLab CE/EE que afecta a todas las versiones desde la 18.3 anteriores a la 19.3.6, desde la 19.4 anteriores a la 19.4.3, y desde la 19.5 anteriores a la 19.5.1 que, bajo ciertas condiciones, un usuario no autenticado podría haber envenenado el documento de descubrimiento de OAuth/OIDC de una caché compartida para redirigir ciertos flujos a un servidor controlado externamente, debido a una confianza inadecuada en los valores proporcionados por el usuario al construir las URL de los endpoints en las respuestas de descubrimiento en caché."}],"affected":[{"source":"cve@gitlab.com","affectedData":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"repo":"https://gitlab.com/gitlab-org/gitlab","versions":[{"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","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cve@gitlab.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":1.6,"impactScore":5.3}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-30T17:32:37.930476Z","id":"CVE-2026-112212","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cve@gitlab.com","type":"Secondary","description":[{"lang":"en","value":"CWE-444"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","versionStartIncluding":"18.3.0","versionEndExcluding":"19.3.6","matchCriteriaId":"F4CF8F5F-7493-45B6-A5AD-7DF4C158BCA2"},{"vulnerable":true,"criteria":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"18.3.0","versionEndExcluding":"19.3.6","matchCriteriaId":"88C7148D-0B68-45B0-9BAD-3FDE81DE7016"},{"vulnerable":true,"criteria":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","versionStartIncluding":"19.4.0","versionEndExcluding":"19.4.3","matchCriteriaId":"12A85E28-FB9B-477D-BE6F-DE307EFEB4E0"},{"vulnerable":true,"criteria":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"19.4.0","versionEndExcluding":"19.4.3","matchCriteriaId":"30C796E1-40AA-41AF-8186-A49F78DC528D"},{"vulnerable":true,"criteria":"cpe:2.3:a:gitlab:gitlab:19.5.0:*:*:*:community:*:*:*","matchCriteriaId":"2032C266-304B-4C69-95CA-56904EA5A64F"},{"vulnerable":true,"criteria":"cpe:2.3:a:gitlab:gitlab:19.5.0:*:*:*:enterprise:*:*:*","matchCriteriaId":"7D6BE6DD-CA49-4E20-9541-22477632BA5D"}]}]}],"references":[{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/","source":"cve@gitlab.com","tags":["Release Notes","Vendor Advisory"]},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/627499","source":"cve@gitlab.com","tags":["Permissions Required"]}]}}