CVE-2026-48957 Joomla! Project CVE debrief

Who should care

Security teams should verify if their Joomla installations are affected by this improper access check vulnerability. This vulnerability allows unauthorized users to access com_privacy datasets and has a medium severity with a CVSS score of 6.4. Teams responsible for Joomla installations should review and apply necessary updates or mitigations.

Technical summary

CVE-2026-48957 is a medium-severity vulnerability with a CVSS score of 6.4. An improper access check allows unauthorized users to access com_privacy datasets in Joomla. The vulnerability was reported in Joomla and has been documented by the NVD. Security teams should verify if their Joomla installations are affected by this vulnerability.

Defensive priority

Medium priority due to potential unauthorized data access. Security teams should prioritize verification of Joomla installations and apply necessary updates or mitigations to prevent unauthorized access to com_privacy datasets.

Recommended defensive actions

• Verify Joomla installations for updates
• Restrict access to com_privacy datasets
• Monitor for unauthorized access attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

Evidence is limited; further verification is needed to determine affected scope and vendor remediation. The CVE record was published on 2026-07-07T19:16:54.440Z and has not been modified since then. Security teams should verify if their Joomla installations are affected by this improper access check vulnerability. The vulnerability was reported in Joomla and has been documented by the NVD.

Official resources