{"cve":"CVE-2026-67331","nvd":{"published":"2026-08-01T13:17:03.833","modified":"2026-10-23T23:10:00.157","status":"Deferred","description":"better-auth SCIM versions from 1.5.0 before 1.7.0-beta.4 fail to bind non-organization SCIM providers to their creator by default, allowing authenticated users to manage other users' providers. Attackers can regenerate SCIM bearer tokens, invalidate legitimate tokens, and authenticate to SCIM API routes with the attacker-controlled token.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","score":8.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","score":8.3},"cwes":["CWE-639"],"references":["https://github.com/better-auth/better-auth/security/advisories/GHSA-j8v8-g9cx-5qf4","https://www.vulncheck.com/advisories/better-auth-scim-before-beta-4-authorization-bypass","https://github.com/better-auth/better-auth/security/advisories/GHSA-j8v8-g9cx-5qf4"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:34.184483516+00:00"},"epss":{"cve":"CVE-2026-67331","score":0.00388,"percentile":0.3266,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-j8v8-g9cx-5qf4","url":"https://osv.dev/vulnerability/GHSA-j8v8-g9cx-5qf4","summary":"@better-auth/scim: Account/provider takeover via missing owner binding on non-org SCIM providers","modified":"2026-09-10T03:50:12.264068454Z","packages":[{"ecosystem":"npm","name":"@better-auth/scim","purl":"pkg:npm/%40better-auth/scim","ranges":[">=1.5.0 <1.7.0-beta.4"],"fixed":["1.7.0-beta.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}