6.4Mittel
CVE-2026-67332@better-auth/oauth-provider before 1.7.0-beta.4 Authorization Bypass
Beschreibung
@better-auth/oauth-provider before 1.7.0-beta.4 fails to bind access-token audience to the authorization grant, allowing clients to request tokens for unrelated resources. Attackers can complete an OAuth flow and obtain access tokens whose audience targets resource servers the authorization never covered, bypassing intended authorization boundaries.
Schwachstellentyp (CWE):
CWE-285
Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.
Betroffene Produkte und Versionen
| Hersteller | Produkt | Versionen | |
|---|---|---|---|
| better-auth | better-auth/oauth-provider | 1.4.8 – < 1.7.0 | |
| better-auth | oauth-provider | 1.4.8 – < 1.7.0-beta.4, fixed 1.7.0-beta.4 |
Referenzen und Patches
- GitHub Security Advisory (GHSA-p2fr-6hmx-4528) vendor-advisory
- VulnCheck Advisory: @better-auth/oauth-provider before 1.7.0-beta.4 Authorization Bypass third-party-advisory