CVE-2026-67334
5.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| better-auth | better-auth | 0.3.4 < 1.6.11 | affected |
| better-auth | better-auth | 1.6.11 | unaffected |
| better-auth | better-auth | 1.6.0 < 1.6.11 | affected |
| better-auth | better-auth | 1.6.11 | unaffected |
Weaknesses
- CWE-459: Incomplete Cleanup
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
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