CVE-2019-12468: Debian Linux

Critical severity, CVSS 9.8. EPSS: 3.3% chance of exploitation in the next 30 days.

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.

Affected products

• Debian Debian Linux: version 9.0 only
• Mediawiki Mediawiki: from 1.27.0, up to and including 1.32.1

Published 2019-07-10. Last modified 2026-06-17.