CVE-2026-85156 WWBN AVideo Broken Access Control via Channel Page

Medium 6.9 Published Updated

Unauthenticated attackers can view unlisted and restricted videos on WWBN AVideo due to improper access control validation on the channel page.

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-2026-85156?

CVE-2026-85156 is a medium-severity missing authorization vulnerability in WWBN AVideo, published on 3 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

WWBN AVideo fails to properly validate access controls on the public channel page, allowing unauthenticated visitors to view unlisted and group-restricted videos through hardcoded visibility flags and an undefined property. Attackers can access the channel endpoint to retrieve sensitive video content that should be hidden, including full URLs to unlisted videos and thumbnails of member-only content, regardless of the operator's hidePrivateVideos setting.

Weakness: CWE-200

Which versions are affected by CVE-2026-85156?

How do I fix CVE-2026-85156?

No fix has been published for CVE-2026-85156 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-2026-85156 being exploited?

There is no known exploitation of CVE-2026-85156 in the wild and no public exploit code.

Sources

Also known as GHSA-82x9-f5w2-7vmw, GHSA-h779-9wfc-c6m8.

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