CVE-2026-67337

MediumCVSS 6.5/10Last modified Sep 8, 2026

Description

better-auth versions before 1.4.9 contain a two-factor authentication bypass vulnerability when session.cookieCache is enabled. Attackers with valid primary credentials can access authenticated routes without completing second-factor verification by exploiting premature session caching.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 1, 2026
Last modified
Sep 8, 2026
NVD status
Deferred

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CVE-2026-67337: Medium severity, CVSS 6.5 | Vulnix