CVE-2026-67337 in better-auth

Sumário

de MITRE • 01/08/2026

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.

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• Responsável: VulnCheck
• Reservar: 29/07/2026
• Divulgação: 01/08/2026
• Moderação: aceite
• Entrada: VDB-385293
• CPE: pronto
• CWE: CWE-287 (confirmado)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: não
• Atividades: muito baixo

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-67337
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-67337
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-67337/