CVE-2026-67334
better-auth Stale Sessions Persist After User Deletion
CVSS Score
3.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-459 |
| Vendor | better-auth |
| Product | better-auth |
| Published | Aug 1, 2026 |
Stay Ahead of the Next One
Get instant alerts for better-auth better-auth
Be the first to know when new low vulnerabilities affecting better-auth better-auth are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
better-auth / better-auth
0.3.4 < 1.6.11
better-auth / better-auth
1.6.0 < 1.6.11
References
Credits
🔍 iruizsalinas