WWBN AVideo up to 29.0 RTMP Callback Endpoint on_publish.php missing authentication

Summaryinfo

A vulnerability was found in WWBN AVideo up to 29.0. It has been declared as critical. Impacted is an unknown function of the file plugin/Live/on_publish.php of the component RTMP Callback Endpoint. The manipulation results in missing authentication. This vulnerability was named CVE-2026-84187. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in WWBN AVideo up to 29.0. Affected is some unknown processing of the file plugin/Live/on_publish.php of the component RTMP Callback Endpoint. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on integrity, and availability. CVE summarizes:

AVideo contains a missing authentication vulnerability in plugin/Live/on_publish.php that allows unauthenticated attackers to mark arbitrary scheduled broadcasts as failed by sending crafted POST requests with schedule identifiers. Attackers can exploit the unguarded RTMP callback endpoint to modify scheduled broadcast status fields by supplying fabricated stream keys matching the pattern -ps-<N>, silently canceling any scheduled live broadcast without credentials or authorization.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-84187 since 09/01/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/01/2026).

By approaching the search of inurl:plugin/Live/on_publish.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• WWBN

Name

• AVideo

Version

• 29.0

License

• open-source

Website

• Product: https://github.com/WWBN/AVideo/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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