Fedora 27 Server Final freeze exception bug tracker: http://fedoraproject.org/wiki/BugZappers/HouseKeeping/Trackers
To propose a bug as a freeze exception bug for the Fedora 27 Server Final release, mark it as blocking this bug, or use the webapp: https://qa.fedoraproject.org/blockerbugs/propose_bug . It will be reviewed according to https://fedoraproject.org/wiki/QA:SOP_freeze_exception_bug_process .
If you think the bug is sufficiently serious to block the Server Final release, instead mark it as blocking the bug F27ServerFinalBlocker. See https://fedoraproject.org/wiki/QA:SOP_blocker_bug_process for the blocker process.
We are abandoning the F27 Modular Server release. See https://pagure.io/Fedora-Council/tickets/issue/149 .