It was reported  that Qt Creator does not verify SSH host key when using built-in SSH client.
Upstream bug: https://bugreports.qt-project.org/browse/QTCREATORBUG-13339
Created qt-creator tracking bugs for this issue:
Affects: fedora-all [bug 1161655]
Affects: epel-all [bug 1161656]
qt-creator-3.2.2-2.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.
qt-creator-3.3.2-2.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.