{"cve":"CVE-2025-71400","nvd":{"published":"2026-08-02T13:16:52.387","modified":"2026-10-08T16:16:53.423","status":"Deferred","description":"better-auth passkey versions before 1.4.0 contain an insecure direct object reference vulnerability in the passkey deletion endpoint that allows authenticated users to delete arbitrary passkeys by ID. Attackers with valid sessions can submit crafted requests to the delete-passkey endpoint with enumerated passkey IDs to remove other users' passkeys.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","score":7.1},"cwes":["CWE-639"],"references":["https://github.com/better-auth/better-auth/security/advisories/GHSA-4vcf-q4xf-f48m","https://www.vulncheck.com/advisories/better-auth-passkey-before-idor-via-delete-passkey"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:47:10.050265369+00:00"},"epss":{"cve":"CVE-2025-71400","score":0.00352,"percentile":0.28544,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-4vcf-q4xf-f48m","url":"https://osv.dev/vulnerability/GHSA-4vcf-q4xf-f48m","summary":"Better Auth Passkey Plugin allows passkey deletion through IDOR","modified":"2026-08-03T03:56:46.449448357Z","packages":[{"ecosystem":"npm","name":"@better-auth/passkey","purl":"pkg:npm/%40better-auth/passkey","ranges":["<1.4.0"],"fixed":["1.4.0"]}]}],"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."]}