CVE-2026-53513: @better-auth/sso provider registration has server-side request forgery via unvalidated OIDC endpoints

Ghostwire Analysis — What This Means Practically

• Critical CVSS score indicates maximum severity — remote code execution, authentication bypass, or complete system compromise is likely possible.
• Exploit code is reported to be available, increasing the likelihood of active exploitation.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.