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PatchSiren cyber security CVE debrief

CVE-2026-48948 Joomla! Project CVE debrief

CVE-2026-48948 is a medium-severity vulnerability in Joomla's com_contact component. An improper access check allows users to download vCard exports of com_contact contacts that are inaccessible. The CVE record was published on 2026-07-07T19:16:52.800Z and has not been modified since then. This vulnerability could potentially be used to access sensitive contact information. Administrators and users of Joomla's com_contact component should be aware of this vulnerability and take necessary precautions to prevent exploitation.

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

Administrators and users of Joomla's com_contact component should be aware of this vulnerability and take necessary precautions to prevent exploitation. This includes reviewing system configurations, monitoring for suspicious activity, and applying patches or updates as necessary.

Technical summary

The vulnerability has a CVSS score of 6.4 and a severity of MEDIUM. It allows users to download vCard exports of com_contact contacts that are inaccessible due to improper access controls. The vulnerability is tracked under CWE-284. This issue arises from inadequate access controls in the com_contact component, potentially allowing unauthorized access to contact information.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability, as it could potentially be used to access sensitive contact information.

Recommended defensive actions

  • Apply the official patch or update to the latest version of Joomla's com_contact component.
  • Restrict access to sensitive contact information.
  • Monitor for suspicious activity related to contact exports.
  • 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

The CVE record and NVD entry provide limited information about the vulnerability. Further investigation and verification are necessary to fully understand the scope and impact of this vulnerability. The lack of detailed information suggests that defenders should exercise caution and verify the vulnerability's impact on their specific systems.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48948 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48948

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

  • CVE-2026-48948 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48948

    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/1056-20260702-core-incorrect-access-control-in-com-contact-vcf-download.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.