CVE-2026-117624

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not consistently enforce the restriction on deserializing objects of types marked as storing their configuration in independent top-level configuration files as nested values, allowing attackers to bypass the root element check and potentially inject nested objects.

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-4243