CVE-2026-48955 Joomla! Project CVE debrief

Who should care

Users of Joomla, especially those with administrative privileges, should be aware of this vulnerability and take necessary precautions to prevent unauthorized access. Affected operators and platform administrators should review their deployments and implement security measures to mitigate the vulnerability.

Technical summary

The vulnerability is caused by an improper access check in Joomla, allowing unauthorized users to access workflow stage and transition information. This vulnerability has a CVSS score of 6.4 and is classified as CWE-284. Affected deployments should be reviewed, and official advisories should be consulted for scope and severity. Users should implement proper access controls and authentication mechanisms to prevent unauthorized access.

Defensive priority

Medium

Recommended defensive actions

• Review and update Joomla to the latest version
• Implement proper access controls and authentication mechanisms
• Monitor for suspicious activity and unauthorized access attempts
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review compensating controls for exposed systems while remediation is scheduled and verified.

Evidence notes

The vulnerability was reported by [email protected] and has a trust class of official_vulnerability_database. The affected product is Joomla, and the vulnerability allows unauthorized users to access workflow stage and transition information due to an improper access check. The CVE record was published on 2026-07-07T19:16:54.193Z and has not been modified since then. The vulnerability has a CVSS score of 6.4 and is classified as CWE-284. Users should verify their deployments and review official advisories for affected scope and severity.

Official resources