CVE-2026-100378: Wikimedia Foundation Mediawiki - Translate Extension

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - Translate Extension allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Mediawiki - Translate Extension: from * before 1.46.1, 1.45.5, 1.43.10.

Affected products

• Wikimedia Foundation Mediawiki - Translate Extension

Published 2026-09-25. Last modified 2026-09-28.