CVE-2024-6221: Corydolphin Flask-Cors

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability in corydolphin/flask-cors version 4.0.1 allows the `Access-Control-Allow-Private-Network` CORS header to be set to true by default. This behavior can expose private network resources to unauthorized external access, leading to significant security risks such as data breaches, unauthorized access to sensitive information, and potential network intrusions.

Affected products

• Corydolphin Flask-Cors: version 4.0.1 only

Published 2024-08-18. Last modified 2026-06-17.