CVE-2026-90538 WWBN AVideo Missing Authorization via playlistsFromUser.json.php
Unauthenticated attackers can read private user playlists by exploiting improper cache keying in the AVideo web application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90538?
CVE-2026-90538 is a medium-severity missing authorization vulnerability in WWBN AVideo, published on 12 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-200
Which versions are affected by CVE-2026-90538?
How do I fix CVE-2026-90538?
No fix has been published for CVE-2026-90538 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-90538 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90538 exists.
Sources
Also known as GHSA-6382-hm4f-hxqg, GHSA-xpgj-rxcp-fx4h.