Medium severity6.4NVD Advisory· Published Aug 1, 2026· Updated Sep 8, 2026
CVE-2026-67332
CVE-2026-67332
Description
@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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <1.7.0-beta.4
Patches
Vulnerability mechanics
References
2News mentions
1- Better Auth: 17 Vulnerabilities Disclosed Together, Including Critical Authorization Bypass FlawsVypr Intelligence · Aug 2, 2026