CVE-2026-67335

Katalog CVE

CVSS 5.3 · Medium EPSS 0,28%

Kerentanan Improper Authentication. Skor CVSS 3.1 5.3 (Medium) menurut vulncheck.com.

Deskripsi (NVD)

better-auth versions before 1.6.2 fail to validate the OAuth state parameter against the stored nonce when using cookie-backed state storage without PKCE. Attackers can forge the state parameter and supply an attacker-controlled authorization code to create authenticated sessions bound to the attacker's external identity or persistently link attacker accounts to victim profiles.

Rincian

Terbit di NVD

1 Agustus 2026

Terakhir diubah

8 September 2026

Status NVD

Deferred

CVSS 3.1

5.3 (Medium), sumber vulncheck.com
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-287: Improper Authentication

EPSS (30 hari)

0,28% peluang dieksploitasi; lebih tinggi dari 19,2% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/better-auth/better-auth/security/advisories/GHSA-wxw3-q3m9-c3jr
• https://www.vulncheck.com/advisories/better-auth-before-oauth-state-validation-bypass