CVE-2026-90539 WWBN AVideo Missing Authentication via menuItems.json.php
Unauthenticated attackers can access hidden admin menu items and secret parameters via an unprotected endpoint in WWBN AVideo.
- 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-2026-90539?
CVE-2026-90539 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 authentication vulnerability in the plugin/TopMenu/menuItems.json.php endpoint that allows unauthenticated attackers to read inactive admin menu items by submitting a POST request with a menuId parameter. Attackers can retrieve hidden menu item URLs including embedded admin-tool secret query parameters not exposed in the public navbar.
Weakness: CWE-200
Which versions are affected by CVE-2026-90539?
How do I fix CVE-2026-90539?
No fix has been published for CVE-2026-90539 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-2026-90539 being exploited?
There is no known exploitation of CVE-2026-90539 in the wild and no public exploit code.
Sources
Also known as GHSA-92wf-68v3-h8h4, GHSA-h964-rxm2-fpgj.