CVE-2026-58036

Users API leaks whether privileged users have their user groups disabled for lack of 2FA

Published Jul 1, 2026 CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
First Time appeared Wikimedia
Wikimedia mediawiki
Vendors & Products Wikimedia
Wikimedia mediawiki
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Users API leaks whether privileged users have their user groups disabled for lack of 2FA
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
wikimedia-foundation
Published
Updated
Jul 1, 2026, 3:47 PM
Reserved
Jun 27, 2026, 1:32 PM
Status
Analyzed
Published
Jul 1, 2026, 4:16 PM
Modified
Oct 25, 2026, 5:10 PM