CVE-2026-86720

8.6 highEPSS 0.4%

High (8.6). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.6 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

8.1 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2026-09-08
Modified: 2026-09-08
Record from: the NVD, synced 2026-10-19

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-7c8r-rj82-c8fv
https://www.vulncheck.com/advisories/wwbn-avideo-missing-authorization-via-resendrestreamer-json-php
https://github.com/WWBN/AVideo/security/advisories/GHSA-7c8r-rj82-c8fv

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