I just read this article
Cathay Pacific First Class Lounge Joins Priority Pass
It appears that Cathay Pacific has joined the priority pass program and will be allowing Priority Pass Members (+2 Guests) to enter the First Class Lounge.
I personally really hope that this is just a very short term temporary arrangement for the Priority Pass Members to be allowed to use the First Lounge. If CX does increase flight offerings as suggested by some media reports, then it may be time to re-open the business class lounge.