Petlibro Smart Pet Feeder Platform through 1.7.31 Authentication Bypass via API endpoint

Petlibro Smart Pet Feeder Platform versions up to 1.7.31 contains an authentication bypass vulnerability that allows unauthenticated attackers to access any user account by exploiting OAuth token validation flaws in the social login system. Attackers can send requests to /member/auth/thirdLogin with arbitrary Google IDs and phoneBrand parameters to obtain full session tokens and account access without proper OAuth verification.