CVE-2026-67334

Published: Aug 1, 2026Modified: Aug 3, 2026

5.1

Vector

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: disclosure@vulncheck.com (Secondary)

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.

Related CWEs

CWE-459

Incomplete Cleanup

The product does not properly "clean up" and remove temporary or supporting resources after they have been used.

References (2)

https://github.com/better-auth/better-auth/security/advisories/GHSA-2vg6-77g8-24mp

Source: disclosure@vulncheck.com

https://www.vulncheck.com/advisories/better-auth-stale-sessions-persist-after-user-deletion

Source: disclosure@vulncheck.com

Timeline

No history available yet.