Vulnerability · Published Sep 8, 2026 · Assigned by VulnCheck

CVE-2026-86720WWBN AVideo Missing Authorization via resendRestreamer.json.php

High 8.1

In plain English

A high-severity authorization bypass via user-controlled key in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.4%top 69.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
WWBN	AVideo	0 – through c3edcc274c389816d434acadac07ee78eaf330c1

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

GitHub Security Advisory (GHSA-7c8r-rj82-c8fv) vendor-advisory
VulnCheck Advisory: WWBN AVideo Missing Authorization via resendRestreamer.json.php third-party-advisory