CVE-2026-7581 — Alexta69 MeTube Vulnerability

title: CVE-2026-7581 - MeTube CORS Policy Vulnerability
id: scw-2026-05-01-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-7581 by targeting the on_prepare function in app/main.py of MeTube, which leads to a permissive CORS policy. This rule looks for specific URI and query parameters associated with the vulnerable function.
author: SCW Feed Engine (AI-generated)
date: 2026-05-01
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-7581/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/app/main.py'
      cs-uri-query|contains:
          - 'on_prepare'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse