P5Verified

CVE-2026-67334: better-auth 0.3.4 to before 1.6.11, 1.6.0 to before 1.6.11

CVE-2026-67334. CVSS 3.1 base score 3.8 (LOW, Vendor/CNA). EPSS 0.00323 (percentile 0.23216), scored 2026-10-06.

Affected technology

better-auth · 0.3.4 to before 1.6.11
better-auth

better-auth · 1.6.0 to before 1.6.11
better-auth

Description’s affected range: versions before 1.6.11 fail to delete cached sessions when removing users via admin

Component: Not specified by the source

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

What an attacker can do

Attackers can reuse deleted user session tokens to maintain authentication for up to seven days after account deletion. Vendor/CNA’s CVSS 4.0 assessment (base score 5.1/10) rates confidentiality and integrity impact as low; availability impact as none.

Published 2026-10-08 17:35:15.688691+00:00

CWE: CWE-459
CCR priority: 15.3 /100 (P5)
CVSS 3.1: 3.8 /10 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N · Vendor/CNA
EPSS: 0.00323 · percentile 0.23315 · 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-2026-67334.html