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CVE-2026-86721 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/WWBN/AVideo/security/advisories/GHSA-5664-h9h4-3gwc	[email protected]	AdvisoryExploitTechnical DescriptionVendor
https://www.vulncheck.com/advisories/avideo-through-c3edcc274c-authorization-bypass-via-session-cookie	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
WWBN AVideo	<= c3edcc274c389816d434acadac07ee78eaf330c1
CPE cpe:2.3:a:wwbn:avideo:::::::: Remediation No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 19, 2026	CVE Modified	CISA-ADP
Sep 8, 2026	New CVE Received	[email protected]