Joomla 5.4.8 Known Issues

Last Updated: 22 August 2026

Joomla 5.4.8 was released on 18 August 2026.

Issue #48273 – Cannot create overrides in template manager

When creating an override in the template manager, the override is not created and the following error is displayed:

Joomla\Filesystem\Path::check() - Snooping out of bounds @ com_contact/categories 

Pull Request #48171 introduced this regression.

This issue will be resolved in Joomla 5.4.9.

Replace the file /administrator/components/com_templates/src/Model/TemplateModel.php with the following version: