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

Quick assessment

Affected
athlon1600 youtube-downloader
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 athlon1600 开发的 youtube-downloader（版本最高至 4.0.1）中发现了一处漏洞。受影响的是文件 中的 函数。对参数 的操纵可导致服务器端请求伪造（SSRF）。该漏洞可被远程利用。相关利用代码已被公开，可被实际使用。提交记录 （旨在“提升 public/stream.php 的安全性”）仅限制了 CURLOPT_PROTOCOLS 为 http/https，并设置了最大重定向次数（MAXREDIRS），但并未对目标主机进行限制。开发者早在披露前就已收到通知，但未做出任何回应。

CVSS 7.3 · High
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I. Basic Information for CVE-2026-100901

Vulnerability Information
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Vulnerability Title
athlon1600 youtube-downloader stream.php stream server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
athlon1600 youtube-downloader 4.0.0 cpe:2.3:a:athlon1600:youtube-downloader:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-100901

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III. Intelligence Information for CVE-2026-100901

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Other References for CVE-2026-100901 (4)

IV. Related Vulnerabilities

Same weakness: CWE-918

V. Comments for CVE-2026-100901

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