CVE-2022-28890: Apache Jena

Critical severity, CVSS 9.8. EPSS: 2.7% chance of exploitation in the next 30 days.

A vulnerability in the RDF/XML parser of Apache Jena allows an attacker to cause an external DTD to be retrieved. This issue affects Apache Jena version 4.4.0 and prior versions. Apache Jena 4.2.x and 4.3.x do not allow external entities.

Affected products

• Apache Jena: version 4.4.0 only

Published 2022-05-05. Last modified 2026-06-17.