CVE-2026-86720 WWBN AVideo Missing Authorization via resendRestreamer.json.php
Authenticated users can hijack other users' live streams by accessing unauthorized restream destinations, allowing attackers to broadcast to victim-configured platforms.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86720?
CVE-2026-86720 is a high-severity missing authorization vulnerability in WWBN AVideo, published on 8 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate ownership of live_restreams_id in resendRestreamer.json.php, allowing authenticated users with canStream to access other users' restream destinations. Attackers can broadcast their live stream to victim-configured restream destinations by supplying arbitrary live_restreams_id values, hijacking YouTube, Facebook, or Twitch streams using victim stream keys.
Weakness: CWE-639
Which versions are affected by CVE-2026-86720?
How do I fix CVE-2026-86720?
No fix has been published for CVE-2026-86720 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-2026-86720 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86720 exists.
Sources
Also known as GHSA-7c8r-rj82-c8fv, GHSA-vpcx-h53g-hfx5.