CVE-2026-58036
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Mediawiki
PublishedJul 1, 2026
First seenJul 1, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediawiki mediawiki | 1.46.0 | — |
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