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CVE-2026-67337

CVE-2026-67337 · better-auth before 1.4.9 Two-Factor Authentication Bypass via session.cookieCache

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 7.1 · High · EPSS 0.5% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • better-auth

    Versions
    • ≥ 0, < 1.4.9: Affected (semver)
    • 1.4.9: Not affected (semver)

    Update to 1.4.9

  • better-auth npm

    Affected ranges
    • SEMVER: < 1.4.9

    Update to 1.4.9

Original sources

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