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CVE-2026-58036

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

Published: Jul 1, 2026Updated: Jul 9, 2026 Sources: CVE List NVDCWE-200
7.5HIGH
NVD MITRE
EPSS Score
0.2%
Top 84.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-200

Affected Products

Wikimedia Foundation
oss-project·USaka wikimedia
MediaWikiOn-premCMS Plugin
Web & CMS Plugins / cms-core
mediawiki
oss-project·US
mediawiki
Web & CMS Plugins

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://phabricator.wikimedia.org/T425406
phabricator.wikimedia.org

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