CVE-2026-100901

A vulnerability was found in athlon1600 youtube-downloader up to 4.0.1. Affected by this vulnerability is the function stream of the file public/stream.php. The manipulation of the argument url results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been made public and could be used. Commit 6ffe823 'better security for public/stream.php' only added CURLOPT_PROTOCOLS http/https restriction and MAXREDIRS cap, does not restrict destination host. The vendor was contacted early about this disclosure but did not respond in any way.

• https://gist.github.com/qianqiusujiu/87a7d7d8bd7fb53cf8529e0bafbeafba
• https://vuldb.com/cve/CVE-2026-100901
• https://vuldb.com/submit/919147
• https://vuldb.com/vuln/410851
• https://vuldb.com/vuln/410851/cti