I was updating my test and then production servers this week when I did a bit of digging and found the following article on a possible SSRS issue with the August 2013 CU for SharePoint Server 2013. The author of the post is Craig Love
You can find it here:
I however cannot verify that it is causing any issues. We have several reports in our environment that use this type of setup, but after installing the patch in both our test and prod environments this week, I have not seen any side effects from this… yet. 🙂
Anyhow I wanted to get this one out there in case anyone else sees problems related to this.