CVE-2026-117622

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows agents to send exceptions implementing the Stapler HttpResponse interface to the controller, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers in control of agent processes.

Status

Received - jenkinsci-cert@googlegroups.com

Published

2026-10-28

Last modified

2026-10-28

Affected products

• Jenkins (Jenkins Project)

References

• https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4249