Joomla Improper Access Check Allows Unauthorized Webservice Access
CVE-2026-23899 Published on April 1, 2026
Joomla! Core - [20260306] - Improper access check in webservice endpoints
An improper access check allows unauthorized access to webservice endpoints.
Vulnerability Analysis
CVE-2026-23899 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-23899 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-23899
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Affected Versions
Joomla! Project Joomla! CMS:- Version 4.0.0-5.4.3 is affected.
- Version 6.0.0-6.0.3 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.