Answer in brief
CVE-2026-67334 records a Medium severity (CVSS 5.1) vulnerability in better-auth Stale Sessions Persist After User Deletion. The current sources do not mark it as known exploited. The current feed maps better-auth/better-auth (generic), better-auth/better-auth (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps better-auth/better-auth (generic), better-auth/better-auth (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| better-auth/better-authgeneric | >=0.3.4 <1.6.11 | 1.6.11 |
| better-auth/better-authgeneric | >=1.6.0 <1.6.11 | 1.6.11 |
Published upstream
Aug 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 3, 2026
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.
Quoted source text, attributed separately from HOL analysis.