XXE in Netty

CVE-2026-56817

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, any caller that can deliver bytes to a Netty channel pipeline con…

Vulnerability class: XXE (XML External Entity)

Affected products

  • Netty — versions >= 4.2.0.Final, < 4.2.16.Final, >= 4.1.0.Final, < 4.1.136.Final

Weakness classification (CWE)

References