RGB Curve Node with Bezier Handles


is it possible to somehow get points with bezier handles in the RGB Curves node in the Node Editor?
I found out that you can switch from auto to vector but an option with bezier handles would be nice for more control.

Is this possible in Blender or via add on or script?

I’m also interested in that if someone has a solution for this or know about futur developments toward this feature.

Really old post, but I want to resurrect it to see if anyone found a way to do this. Bezier handles in RGB Curves would give a lot more flexibility.

Unfortunately this is not possible at the moment.