Raytracing Subsurface Scattering + Two Sided Foliage - Bug?

[The_Distiller]

I filed a bug report a while ago, here’s the tracker:

The Unreal Engine Issues and Bug Tracker

As a workaround you can deactivate two sided material shadows via cvar, not ideal of course:
r.RayTracing.Shadows.EnableTwoSidedGeometry 0