The new bundle patch set for Oracle Business Intelligence Enterprise Edition and Oracle Exalytics OBIEE 188.8.131.52.5 was released recently.
There is currently no detailed patch description available. The patch is currently only available for Linux64. It's tagged to be a recommended security patch. We will publish further news in this blog post.
Further information on the current bundle patch respectively on OBIEE 11g patch sets:
OBIEE 11g: Bugs Fixed in 184.108.40.206.5 (not available at the moment as support document)
OBIEE 11g: Required and Recommended Bundle Patches and Patch Sets