HIGH 7.1 NVD
CVE-2025-71400
better-auth passkey versions before 1.4.0 contain an insecure direct object reference vulnerability in the passkey deletion endpoint that allows authenticated u
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.
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
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-08-02 via NVD.
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