CVE-2025-71400
better-auth passkey before 1.4.0 IDOR via delete-passkey
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-639 |
| Vendor | better-auth |
| Product | passkey |
| Published | Aug 2, 2026 |
| Last Updated | Aug 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low
Affected Versions
better-auth / passkey
0 < 1.4.0
References
Credits
🔍 goksan