# CVE-2026-48957: Joomla! CMS improper access control in com_privacy webservice endpoints

Source: https://junglewise.ai/threats/cve-2026-48957-joomla-cms-improper-access-control-in-com-privacy-webservice  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07. Updated: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2026-48957 · Severity: info · CVSS 6.4 · Published 2026-07-07

Joomla! CMS, a popular website management platform, contains a security flaw in its privacy management component. This vulnerability could allow unauthorized users to access sensitive privacy-related datasets through specific web service endpoints. If exploited, this could lead to the exposure of user data or internal privacy records, potentially impacting regulatory compliance and user trust.

## Quick answers

**Is CVE-2026-48957 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-48957 being exploited in the wild.

**How severe is CVE-2026-48957?** Informational severity, with a CVSS score of 6.4, published 7 July 2026.

**Which products and versions are affected?** Joomla! Project Joomla! CMS 4.0.0-5.4.6, 6.0.0-6.1.1.

**Is there a fix for CVE-2026-48957?** A patch was published on 2026-07-07: Fixed in versions 5.4.7 and 6.1.2 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-48957 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-48957?** Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An improper access control vulnerability (CWE-284) exists within the com_privacy web service endpoints of Joomla! CMS. The root cause is a failure to perform adequate access checks, which allows users who should not have permission to retrieve privacy datasets. The attack is network-reachable and requires high privileges (PR:H) to execute, but it can lead to a loss of confidentiality for sensitive privacy information. The vulnerability affects Joomla! versions 4.0.0 through 5.4.6 and 6.0.0 through 6.1.1. Users are advised to upgrade to versions 5.4.7 or 6.1.2 to remediate the issue.

## Affected products

- Joomla! Project Joomla! CMS 4.0.0-5.4.6, 6.0.0-6.1.1

## Timeline

- 2026-06-12: other: Reported to vendor
- 2026-07-07: patched: Fixed in versions 5.4.7 and 6.1.2
- 2026-07-07: advisory: Public advisory released

## References

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