CVE-2026-90538: WWBN AVideo Missing Authorization via playlistsFromUser.json.php
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in playlistsFromUser.json.php that allows unauthenticated attackers to read private playlists by requesting another user's identifier. Attackers can retrieve Favorite and Watch Later playlists belonging to other users due to improper cache keying that conflates requests across different user contexts.
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
Any unauthenticated remote attacker can exploit it. No account, privileges, or user interaction are required.
What information can be exposed?
An attacker can read other users' private Favorite and Watch Later playlists. The issue arises when the attacker requests another user's identifier.
What conditions make an AVideo instance affected?
AVideo installations through commit c3edcc274c389816d434acadac07ee78eaf330c1 are affected. The vulnerable endpoint is playlistsFromUser.json.php, and exposure results from cache keying that does not distinguish user contexts.