CVE-2026-40384 MEDIUM

CVE-2026-40384: Joomla! Core - [20260510] - Path traversal in com_media webservice endpoint

Vendor Joomla! Project
Product Joomla! CMS
Weakness CWE-22 · Path traversal
Published May 26, 2026
Last update May 27, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

An improper validation of the search parameter of the com_media files API endpoint leads to a path traversal vulnerability.

Explanation of Vulnerability in Simple Terms

02Summary

A path traversal vulnerability in Joomla! CMS 4.0.0 through 5.4.5 allows an attacker with high-level privileges to read files outside the intended directory. The vulnerability requires network access and high administrative permissions. Site owners should update to a version newer than 5.4.5 to remediate this issue.

What an attacker can do

03Attacker Capabilities

Read files outside the intended directory on the server.

Potential impact on your site

04Site Impact

An admin account compromise could expose sensitive files like configuration or database credentials.

Conditions required to exploit

05Prerequisites

Attacker must have high-level administrative privileges on the Joomla site.

Key dates

06Disclosure timeline

May 26, 2026 CVE published
May 27, 2026 Record updated

Related vulnerabilities

08Related CVE

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