CVE-2026-100244: Wikimedia Foundation Mediawiki - Centralauth Extension

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - CentralAuth Extension allows Excavation. This issue affects Mediawiki - CentralAuth Extension: from * before 1.46.1, 1.45.5, 1.43.10.

Affected products

• Wikimedia Foundation Mediawiki - Centralauth Extension

Published 2026-09-29. Last modified 2026-09-30.