CVE-2026-58036
Received Received - Intake

Exposure of Sensitive Information in MediaWiki

Publication date: 2026-07-01

Last updated on: 2026-07-01

Assigner: wikimedia-foundation

Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiQueryAllUsers.Php, includes/Api/ApiQueryUsers.Php, includes/Permissions/PermissionManager.Php, includes/User/UserGroupManager.Php.

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Meta Information

Published
2026-07-01
Last Modified
2026-07-01
Generated
2026-07-01
AI Q&A
2026-07-01
EPSS Evaluated
N/A
NVD
CVE-2026-58036
EUVD
EUVD-2026-41039

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wikimedia mediawiki *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

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Executive Summary

This vulnerability involves the exposure of sensitive information to unauthorized actors within the Wikimedia Foundation's MediaWiki software.

It is related to specific program files including includes/Api/ApiQueryAllUsers.Php, includes/Api/ApiQueryUsers.Php, includes/Permissions/PermissionManager.Php, and includes/User/UserGroupManager.Php.

Impact Analysis

The vulnerability can lead to unauthorized access to sensitive information, potentially compromising user data or system details.

Since it involves exposure to unauthorized actors, it may increase the risk of data breaches or misuse of information.

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