CVE-2026-90907 – Joomla! Core – [20260902] – Core – Unauthorized user account creation via profile.save con

Joomla! Core – [20260902] – Core – Unauthorized user account creation via profile.save controller in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 – The profile.save controller did not check the login state of a user, allowing the creation of guest-level users on sites without active user registration.