SEPTEMBER 19, 2026
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Case File

CVE-2026-67332

MEDIUM · CVSS 6.4 EPSS 0.16% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-01 · Last synced 2026-08-31

CyberRota Analysis

AI-Generated

The vulnerability in @better-auth/oauth-provider prior to version 1.7.0-beta.4 allows attackers to exploit the OAuth flow by obtaining access tokens for unrelated resources, thus bypassing intended authorization boundaries. This could lead to unauthorized access to sensitive data across different resource servers. Organizations utilizing this OAuth provider should prioritize updating to the latest version to mitigate potential security risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-67332
Severity
MEDIUM
CVSS
6.4
EPSS
0.16%

Original NVD 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.