P4Verified

CVE-2025-71400: passkey 0 to before 1.4.0

CVE-2025-71400. CVSS 3.1 base score 7.1 (HIGH, Vendor/CNA). EPSS 0.00352 (percentile 0.26647), scored 2026-10-06.

Affected technology

passkey · 0 to before 1.4.0
better-auth

Description’s affected range: versions before 1.4.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Authenticated users can delete arbitrary passkeys by ID. Vendor/CNA’s CVSS 4.0 assessment (base score 7.1/10) rates confidentiality impact as none; integrity impact as high; availability impact as low.

Published 2026-10-08 17:34:56.500130+00:00

CWE: CWE-639
CCR priority: 28.5 /100 (P4)
CVSS 3.1: 7.1 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L · Vendor/CNA
EPSS: 0.00352 · percentile 0.2675 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-71400.html