WordPress JWT Authentication for WP REST APIs plugin <= 4.7.0 - Unauthenticated Authentication Method Downgrade vulnerability

Unauthenticated Authentication Method Downgrade vulnerability discovered by Choriyev Qahramon in WordPress Plugin WordPress REST API Authentication versions = 4.7.0...

CVE-2026-89027: Missing Authentication for Critical Function

miniOrange JWT Authentication for WP REST APIs plugin for WordPress before 4.8.0 contains an authentication method downgrade vulnerability that allows unauthenticated attackers to bypass administrator-configured authentication by supplying a specific GET parameter without any capability check or...