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CVE-2026-86720

8.1 · HIGH

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate ownership of live_restreams_id in resendRestreamer.json.php, allowing authenticated users with canStream to acc…

Published Sep 8, 2026CWE-639EPSS 0.36%

Overview

CVE-2026-86720 is a high-severity vulnerability. It was published on September 8, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/WWBN/AVideo/security/advisories/GHSA-7c8r-rj82-c8fvRefwww.vulncheck.com/advisories/wwbn-avideo-missing-authorization-via-resendrestreamer-json-phpGitHubgithub.com/WWBN/AVideo/security/advisories/GHSA-7c8r-rj82-c8fv

How CyberStrike helps

Frequently asked questions

What is CVE-2026-86720?

CVE-2026-86720 is a high-severity vulnerability. It was published on September 8, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-86720?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-86720?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-86720?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-86720 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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