The California Supreme Court held in Yvanova v.  New Century Mortgage Corp.,, 365 P.3d 845 (Cal. 2016), that a borrower has standing to prove that a nonjudicial foreclosure was wrongful because an assignment by which the foreclosing entity purportedly took a beneficial interest was void, thereby depriving the foreclosing party of any authority to foreclose through a trustee's sale. 

In a follow up case,...