Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/better-auth/better-auth/security/advisories/GHSA-4vcf-q4xf-f4
- https://www.vulncheck.com/advisories/better-auth-passkey-before-idor-via-delete-
FAQ
What is CVE-2025-71400?
CVE-2025-71400 is a vulnerability with a CVSS score of 7.1 (HIGH). 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....
How severe is CVE-2025-71400?
CVE-2025-71400 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-71400?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.