What’s Vulnerable › Vulnerabilities

CVE-2026-86721: AVideo through c3edcc274c Authorization Bypass via Session Cookie

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-08 · updated 2026-09-19
• Weakness: CWE-287

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.

References

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

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