CVE-2026-58026

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Parser/Parser.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

CVSS v3 5.7 MEDIUM

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.1 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://phabricator.wikimedia.org/T299359	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0::::::

History

25 Oct 2026, 17:10

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad de exposición de información sensible a un actor no autorizado en Wikimedia Foundation MediaWiki. Esta vulnerabilidad está asociada con los archivos de programa includes/Parser/Parser.PHP. Este problema afecta a MediaWiki: desde * antes de 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Information

Published : 2026-07-01 16:16

Updated : 2026-10-25 17:10

NVD link : CVE-2026-58026

Mitre link : CVE-2026-58026

CVE.ORG link : CVE-2026-58026

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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