CVE-2026-59256 WWBN AVideo Unbound Token Authorization Bypass via Gallery
Attackers can bypass authorization checks by obtaining unbound tokens from the Gallery endpoint to access restricted video content.
- 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-2026-59256?
CVE-2026-59256 is a high-severity authentication bypass vulnerability in WWBN AVideo, published on 22 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
WWBN AVideo through commit 9c39d8c8 contains an authorization bypass vulnerability where getToken() creates tokens without binding to user identity or purpose, and plugin/Gallery/view/sections.php issues valid tokens to unauthenticated visitors. Attackers can retrieve a token from the Gallery endpoint and use it to bypass authorization checks in other subsystems like view/hls.php to access restricted video content.
Weakness: CWE-200
Which versions are affected by CVE-2026-59256?
How do I fix CVE-2026-59256?
No fix has been published for CVE-2026-59256 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-59256 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-59256 exists.
Sources
Also known as GHSA-v366-95x7-75w9, GHSA-wq57-wxcr-rx6v.