VULNERABILITY INTELLIGENCE

CVE-2026-67332

CVSS score6.4 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2026-08-01
Last modified2026-10-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-285

Primary references