CVE-2021-41042: Eclipse Lyo

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

In Eclipse Lyo versions 1.0.0 to 4.1.0, a TransformerFactory is initialized with the defaults that do not restrict DTD loading when working with RDF/XML. This allows an attacker to cause an external DTD to be retrieved.

Affected products

• Eclipse Lyo: from 1.0.0, up to and including 4.1.0

Published 2022-07-07. Last modified 2026-06-17.