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VULNERABILITIES

CVE-2026-34093 Details

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://phabricator.wikimedia.org/T414547 wikimedia-foundationIssue TrackingPermissions RequiredVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-200Exposure of Sensitive Information to an Unauthorized Actorwikimedia-foundation

Affected Products

ProductVersions
mediawiki mediawiki
< 1.43.7
>= 1.44.0, < 1.44.4
>= 1.45.0, < 1.45.2

CPE

  • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-34093
NVD Published Date:
May 11, 2026
NVD Last Modified:
Jun 17, 2026
Source:
wikimedia-foundation
CVE-2026-34093 Details - Not Deferred