When a ServiceInstance is updated, the request sent from the catalog to the broker needs to include the namespace of the ServiceInstance.
Fixed in origin with: https://github.com/openshift/origin/pull/17166
Please start to test on 3.7.4-1 build or newer.
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.