On <https://issues.jenkins-ci.org/secure/IssueNavigator.jspa?mode=hide&reset=true&jqlQuery=project+%3D+JENKINS+AND+status+in+%28Open%2C+%22In+Progress%22%2C+Reopened%29+AND+component+%3D+%27cmakebuilder-plugin%27> they have issues dating back to Jan 2012, each of them unassigned.

And <https://wiki.jenkins-ci.org/display/JENKINS/cmakebuilder+Plugin> says:
Tracking maintainers: n/a.