better-auth versions greater than 1.3.34 and before 1.4.0 contain a vulnerability in the multi-session plugin's /sign-out after-hook, which trusts raw multi-session cookies and forwards extracted values to internalAdapter.deleteSessions wit…
Exact source revision recorded 25 Oct 2026 04:17:18 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2025-71402
PublishedNVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Deferred
Weakness classifications: CWE-347
Original publisher date fields
published: 2026-08-01T13:16:55.510
lastModified: 2026-10-06T22:10:00.247
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON