better-auth Stale Sessions Persist After User Deletion
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.
CVE-2026-67334
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-67334
better-auth
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
better-auth
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "better-auth",
"product": "better-auth",
"versions": [
{
"status": "affected",
"version": "0.3.4",
"lessThan": "1.6.11",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "1.6.11",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/better-auth",
"defaultStatus": "unaffected"
},
{
"vendor": "better-auth",
"product": "better-auth",
"versions": [
{
"status": "affected",
"version": "1.6.0",
"lessThan": "1.6.11",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "1.6.11",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/%40better-auth/scim",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-67334
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #12811 · Revision 1
- Added to Heist Feed
- Publisher date