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CVE-2026-7581— alexta69 MeTube CORS Policy main.py on_prepare cross-domain policy

Quick assessment

Affected
alexta69 MeTube
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.

MeTube是Alex个人开发者的一款自托管的多站点视频下载工具。 MeTube 2026.04.09及之前版本存在访问控制错误漏洞，该漏洞源于组件CORS Policy中文件app/main.py的on_prepare函数存在跨域策略宽松问题，可能导致远程攻击。

CVSS 4.3 · Medium EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
alexta69 MeTube 2026.04.09 affected
2026.04.10 unaffected
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I. Basic Information for CVE-2026-7581

Vulnerability Information
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Vulnerability Title
alexta69 MeTube CORS Policy main.py on_prepare cross-domain policy
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in alexta69 MeTube up to 2026.04.09. This affects the function on_prepare of the file app/main.py of the component CORS Policy. The manipulation leads to permissive cross-domain policy with untrusted domains. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.04.10 is able to mitigate this issue. The identifier of the patch is 0072d3488ae5b8d922d3ee87458d829993742a32. It is recommended to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
过度许可的跨域白名单
Source: CVE Program / CVE List V5
Vulnerability Title
MeTube 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MeTube是Alex个人开发者的一款自托管的多站点视频下载工具。 MeTube 2026.04.09及之前版本存在访问控制错误漏洞，该漏洞源于组件CORS Policy中文件app/main.py的on_prepare函数存在跨域策略宽松问题，可能导致远程攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
alexta69 MeTube 2026.04.09 -

II. Public POCs for CVE-2026-7581

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III. Intelligence Information for CVE-2026-7581

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Patches & Fixes for CVE-2026-7581 (2)

Vendor Advisories for CVE-2026-7581 (1)

Vendor Pages for CVE-2026-7581 (1)

IV. Related Vulnerabilities

Same product: MeTube
Same vendor: alexta69
Same weakness: CWE-942

V. Comments for CVE-2026-7581

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