CVE-2026-90537 WWBN AVideo Scheduler sendEmail Missing Authorization via Token

High 8.8 Published Updated

Unauthenticated attackers can access scheduler email jobs, read private data, and trigger emails by using a site-wide daily token.

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-2026-90537?

CVE-2026-90537 is a high-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 plugin/Scheduler/sendEmail.json.php that allows unauthenticated attackers to access scheduler email jobs by providing a site-wide daily token. Attackers can enumerate scheduler jobs, read private live titles and email addresses, and trigger email sending by supplying any valid daily token obtained from Live pages.

Weakness: CWE-862

Which versions are affected by CVE-2026-90537?

How do I fix CVE-2026-90537?

No fix has been published for CVE-2026-90537 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-2026-90537 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90537 exists.

Sources

Also known as GHSA-7cf9-xwv8-6722, GHSA-qq59-3jwp-hgj9.

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