An insecure direct object reference vulnerability in PhotoPrism through commit bb0b933 allows any user with a valid preview token to retrieve the original-resolution cover photo of any album. The Alb…

Summary

An insecure direct object reference vulnerability in PhotoPrism through commit bb0b933 allows any user with a valid preview token to retrieve the original-resolution cover photo of any album. The AlbumCover handler does not verify that the requesting user is authorized to access the specified album before serving the cover image. An attacker with any valid preview token can enumerate and download album cover images belonging to other users.