CVE-2026-65887: Balbooa Gridbox

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Joomla Extension - balbooa.com - Unauthenticated arbitrary password reset in Gridbox < 2.20.2 - The resetPassword method allows actors to reset any user password, allowing to login and act as these users - excluding super admins.

Affected products

• Balbooa Gridbox: before 2.20.2 (fixed in 2.20.2)

Published 2026-07-29. Last modified 2026-08-05.