CVE-2026-67332 — @better-auth/oauth-provider before 1.7.0-beta.4 Authorization Bypass
@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. Attac…
Published: 2026-08-01 · CVSS: 5.3 · CVSS 4.0
@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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7