Medium severity6.5NVD Advisory· Published Aug 1, 2026· Updated Sep 8, 2026
CVE-2026-67337
CVE-2026-67337
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <1.4.9
Patches
Vulnerability mechanics
References
2News mentions
1- Better Auth: 17 Vulnerabilities Disclosed Together, Including Critical Authorization Bypass FlawsVypr Intelligence · Aug 2, 2026