CVE-2026-67334better-auth Stale Sessions Persist After User Deletion
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No exploitation reported and no EPSS estimate yet.
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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
- 3.8 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
- Weakness (CWE)
- CWE-459
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
better-auth better-auth better_auth:better_auth (from the name) | from 0.3.4 before 1.6.11; 1.6.11 not affected | CNA record |
References
- https://github.com/better-auth/better-auth/security/advisories/GHSA-2vg6-77g8-24mpvendor-advisory
- https://www.vulncheck.com/advisories/better-auth-stale-sessions-persist-after-user-deletionthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.