What’s Vulnerable › Vulnerabilities

CVE-2026-100901: athlon1600 youtube-downloader stream.php stream server-side request forgery

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-28 · updated 2026-09-28
• Weakness: CWE-918

Description

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.

Affected products

• athlon1600 youtube-downloader: 4.0.0, 4.0.1

References

• 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

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