A remote code execution vulnerability has been identified in the Spring Framework.
Spring4Shell in Jenkins Core and Plugins
The Jenkins security team has confirmed that the Spring vulnerability is not affecting Jenkins Core. There is no impact because we are using Stapler as a servlet, and neither Spring MVC nor Spring WebFlux.
An analysis was done on the plugins to determine whether some were using Spring in a dangerous way. No impact was found.
Spring4Shell in the Jenkins Infrastructure
The Jenkins infrastructure and security teams have confirmed that the Spring vulnerability is not affecting any part of the Jenkins infrastructure.
The following applications are Java applications that mention Spring as a dependency:
Further Updates
We may update this blog post, if there are any corrections to be made, and in that case we’ll clearly call those out at the top.
This is a companion discussion topic for the original entry at https://www.jenkins.io/blog/2022/03/31/spring-rce-CVE-2022-22965/