CORS Policy Vulnerability in alexta69 MeTube Product
CVE-2026-7581

5.3MEDIUM

Key Information:

Vendor

Alexta69

Status
Metube
Vendor
CVE Published:
1 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7581?

A security vulnerability has been identified in the alexta69 MeTube application, specifically in the CORS Policy implementation within the app/main.py file. This flaw allows for a permissive cross-domain policy that can unintentionally trust unverified domains, potentially exposing users to remote exploitation. The vulnerability was made public, giving attackers insight into possible exploit techniques. To resolve this issue, users are recommended to upgrade to version 2026.04.10, which includes a critical patch addressing the vulnerability.

Affected Version(s)

MeTube 2026.04.09

MeTube 2026.04.10

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-7581 - Proof of Concept

References

https://vuldb.com/vuln/360528
vdb-entrytechnical-description
https://vuldb.com/vuln/360528/cti
signaturepermissions-required
https://vuldb.com/submit/801529
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

AliAz (VulDB User)
.