CVE-2026-34088 RecentChanges entries expose suppressed content via generated log page html

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...

CVE-2026-34088

CVE-2026-34088 (MediaWiki) is a disclosed exposure vulnerability affecting MediaWiki versions before 1.43.7, 1.44.4, and 1.45.2. The connected sources confirm a broad vulnerability family in MediaWiki leading to information disclosure to unauthorized actors. Debian’s advisory DSA-6208-1 notes mul...