6.5Media
CVE-2026-67337better-auth before 1.4.9 Two-Factor Authentication Bypass via session.cookieCache
Descripción
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.
Debilidad (CWE):
CWE-288
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
| Fabricante | Producto | Versiones | |
|---|---|---|---|
| better-auth | better-auth | < 1.4.9, fixed 1.4.9 | |
| better-auth | better-auth/oauth-provider | < 1.4.9 |
Referencias y parches
- GitHub Security Advisory (GHSA-xg6x-h9c9-2m83) vendor-advisory
- VulnCheck Advisory: better-auth before 1.4.9 Two-Factor Authentication Bypass via session.cookieCache third-party-advisory