CVE-2025-71400 in better-authinfo

Summary

by MITRE • 08/02/2026

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.

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Responsible

VulnCheck

Reservation

07/18/2026

Disclosure

08/02/2026

Moderation

accepted

CPE

ready

EPSS

0.00000

KEV

no

Activities

high

Sources

MITREhttps://www.cve.org/CVERecord?id=CVE-2025-71400
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2025-71400
CVE Detailshttps://www.cvedetails.com/cve/CVE-2025-71400/

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