CVE-2025-71400 — better-auth passkey before 1.4.0 IDOR via delete-passkey
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 ar…
Published: 2026-08-02 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7