CVE-2026-49339 Path traversal in getPlaylist/deletePlaylist bypasses ownership check: any authenticated user can read or delete any other user's playlist

gonic is a music streaming server / free-software subsonic server API implementation. The maintainer's fix in commit 6dd71e6a3c966867ef8c900d359a7df75789f410 added an ownership check based on playlist.UserID. However, playlist.UserID is derived from the first path segment of the attacker-controll...