CVE-2018-12540: Eclipse Vert.x

High severity, CVSS 8.8. EPSS: 2% chance of exploitation in the next 30 days.

In version from 3.0.0 to 3.5.2 of Eclipse Vert.x, the CSRFHandler do not assert that the XSRF Cookie matches the returned XSRF header/form parameter. This allows replay attacks with previously issued tokens which are not expired yet.

Affected products

• Eclipse Vert.x: from 3.0.0, up to and including 3.5.2

Published 2018-07-12. Last modified 2026-06-17.