CVE-2026-86721

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

ProductAVideo

PublishedSep 8, 2026

First seenSep 8, 2026

Weakness typeCWE-287Improper authentication

How to fix

Vendor advisories

github.com/WWBN/AVideo/security/advisories/GHSA-5664-h9h4-3gwc

Affected products

Product	Affected versions	Fixed in
WWBN AVideo	v ≤ c3edcc274c389816d434acadac07ee78eaf330c1	—

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