CVE-2026-86721

AVideo through commit c3edcc274c contains an authorization bypass vulnerability where a session cookie named 'key' with value 'value' overrides the $_REQUEST['key'] parameter in saveLive.php and related endpoints. Attackers can publish to any user's RTMP stream without authentication by using the known constant stream key value to hijack live broadcasts.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/WWBN/AVideo/security/advisories/GHSA-5664-h9h4-3gwc
https://www.vulncheck.com/advisories/avideo-through-c3edcc274c-authorization-bypass-via-session-cookie

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-08 16:18

Updated : 2026-09-08 19:53

NVD link : CVE-2026-86721

Mitre link : CVE-2026-86721

CVE.ORG link : CVE-2026-86721

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

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