CVE-2026-90550 WWBN AVideo Missing Authorization via mediaSession.json.php
Unauthenticated attackers can retrieve password-protected video titles and owner emails from AVideo via an unprotected endpoint.
- 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-2026-90550?
CVE-2026-90550 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 fails to check user authorization in the PlayerSkins mediaSession.json.php endpoint before returning video metadata. Unauthenticated attackers can request the endpoint with a video ID parameter to retrieve password-protected video titles and owner email addresses without authentication.
Weakness: CWE-200
Which versions are affected by CVE-2026-90550?
How do I fix CVE-2026-90550?
No fix has been published for CVE-2026-90550 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-2026-90550 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90550 exists.
Sources
Also known as GHSA-7qjf-x5w4-rcqc, GHSA-g79r-wg9m-3fh3.