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PatchSiren cyber security CVE debrief

CVE-2026-48957 Joomla! Project CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-07T19:16:54.440Z and has not been modified since then. This medium-severity vulnerability with a CVSS score of 6.4 involves an improper access check that allows unauthorized users to access com_privacy datasets in Joomla. Security teams should verify if their Joomla installations are affected by this vulnerability. The vulnerability has been documented by the NVD and has not been modified since its publication.

Vendor
Joomla! Project
Product
Joomla! CMS
CVSS
MEDIUM 6.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-07
Original CVE updated
2026-07-09
Advisory published
2026-07-07
Advisory updated
2026-07-09

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48957 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48957

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-48957 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48957

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://developer.joomla.org/security-centre/1065-20260711-core-incorrect-access-control-in-com-privacy-webservice-endpoints.html

    [email protected]

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.