CVE-2026-67334

Low

Description

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.

SeverityLow
CVSS3.8
Exploit probability—
ProductBetter-auth
PublishedAug 1, 2026
First seenAug 1, 2026
Weakness typeCWE-459CWE-459

How to fix

Update
  • better-auth1.6.11 or later
  • @better-auth/scim1.6.11 or later

Affected products

ProductAffected versionsFixed in
better-authnpm0.3.4 ≤ v < 1.6.111.6.11
@better-auth/scimnpm1.6.0 ≤ v < 1.6.111.6.11

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