Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.
This issue has been addressed in the following products:
Red Hat OpenShift Container Platform 4.8
Via RHSA-2021:2437 https://access.redhat.com/errata/RHSA-2021:2437
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):