CVE-2026-34093

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...

MediaWiki information leakage vulnerabilities

MediaWiki is a free and open-source web-based wiki engine developed by the Wikimedia Foundation in the United States. This product can be used to deploy internal knowledge management and content management systems. Versions of MediaWiki prior to 1.43.7, 1.44.4, and 1.45.2 contained a vulnerabilit...