CVE-2026-39566 Designinvento CVE debrief

Who should care

Users of Designinvento DirectoryPress directorypress plugin version 3.6.26 or earlier should assess and potentially update to a patched version to mitigate the risk of sensitive system information exposure.

Technical summary

The CVE-2026-39566 vulnerability, classified as Exposure of Sensitive System Information to an Unauthorized Control Sphere, affects the Designinvento DirectoryPress directorypress plugin. This issue allows for the retrieval of embedded sensitive data and has a CVSS score of 4.3, indicating a medium severity level. The vulnerability is characterized by the following CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. This indicates that the vulnerability can be exploited over the network with low attack complexity, requiring low privileges and no user interaction, which could lead to the disclosure of sensitive information.

Defensive priority

Medium priority should be given to assessing and mitigating this vulnerability, especially in environments where the DirectoryPress plugin is utilized, to prevent potential unauthorized access to sensitive system information.

Recommended defensive actions

• Inventory and assess the DirectoryPress plugin version in use.
• Check for and apply any available patches or updates for the DirectoryPress plugin.
• Implement compensating controls such as monitoring for suspicious activity related to the DirectoryPress plugin.
• Consider enhancing network security to limit access to the plugin and sensitive system information.

Evidence notes

The CVE record and NVD detail provide foundational information about the vulnerability. Additional mitigation or vendor references are available, including a Patchstack reference detailing the vulnerability and potential remediation steps.

Sources and references

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.