CVE-2026-67334

Description

better-auth versions before 1.6.11 fail to delete cached sessions when removing users via admin, anonymous, or SCIM endpoints when secondaryStorage is configured and storeSessionInDatabase is false. Attackers can reuse deleted user session tokens to maintain authentication for up to seven days after account deletion.

CVSS Vector

References

• https://github.com/better-auth/better-auth/security/advisories/GHSA-2vg6-77g8-24mp
• https://www.vulncheck.com/advisories/better-auth-stale-sessions-persist-after-user-deletion