CVE-2026-96451: Ultimate Member

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Authorization Bypass Through User-Controlled Key vulnerability in Ultimate Member Ultimate Member ultimate-member allows Privilege Escalation.This issue affects Ultimate Member: from n/a through 2.13.1.

Affected products

• Ultimate Member Ultimate Member: up to and including 2.13.1

Published 2026-10-03. Last modified 2026-10-06.