CVE-2026-90907

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.

  • Published Sep 29, 2026
  • CVSS 6.9 medium
  • 0.2% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-90907 at the National Vulnerability Database