CVE-2026-34091

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://phabricator.wikimedia.org/T411305	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::

History

26 Oct 2026, 18:10

Type	Values Removed	Values Added
Summary		(es) Exposición de Información Sensible a un Actor No Autorizado vulnerabilidad en Wikimedia Foundation MediaWiki. Este problema afecta a MediaWiki: desde * antes de 1.43.7, 1.44.4, 1.45.2.

Information

Published : 2026-05-11 16:17

Updated : 2026-10-26 18:10

NVD link : CVE-2026-34091

Mitre link : CVE-2026-34091

CVE.ORG link : CVE-2026-34091

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

NVD-CWE-noinfo

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