Version 4.0 of the engine will include CORS support based on a filter developed by eBay:
Note that this isn't a new package, it was already part of version 3.6 of RHEV-M. This bug is needed in order to create the erratum and ship it to customers as part of RHEV-M 4.0.
Build found in errratum: ebay-cors-filter-1.0.1-2.el7ev
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.