CVE-2026-48958: Unauthorized Custom Field Creation in Joomla Webservices
CVE-2026-48958 Published on July 7, 2026
Joomla! Core - [20260712] - Incorrect Access Control in com_fields webservice endpoints
An improper access check allows unauthorized users to create custom fields via webservices endpoints.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-48958 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-48958
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Affected Versions
Joomla! Project Joomla! CMS:- Version 4.0.0-5.4.6 is affected.
- Version 6.0.0-6.1.1 is affected.