{"id":"EUVD-2026-25617","revision":"986c248084bf4e64a60748e46f8abab8","records":[{"revision":"986c248084bf4e64a60748e46f8abab8","observedAt":"2026-10-28T05:09:47.325+00:00","statement":{"source":"euvd","id":"EUVD-2026-25617","aliases":["CVE-2026-41427"],"title":"Better Auth is an authentication and authorization library for TypeScript. Prior to 1.6.5, the clientPrivileges option documents a create action, but the OAuth client creation endpoints did not invoke the hook before persisting new clients.…","description":"Better Auth is an authentication and authorization library for TypeScript. Prior to 1.6.5, the clientPrivileges option documents a create action, but the OAuth client creation endpoints did not invoke the hook before persisting new clients. Deployments that configured clientPrivileges to restrict client registration were not actually restricted — any authenticated user could reach the create endpoints and register an OAuth client with attacker-chosen redirect URIs and metadata. This vulnerability is fixed in 1.6.5.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N","score":7.1,"severity":null}],"references":["https://github.com/better-auth/better-auth/security/advisories/GHSA-xr8f-h2gw-9xh6"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-25617","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Apr 24, 2026, 7:23:20 PM","dateUpdated":"Apr 27, 2026, 1:42:23 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-25617","identifiers":["EUVD-2026-25617","CVE-2026-41427"]},"retained":false,"historicalAffected":[]}],"coverage":[]}