Input validation error in Flask-CORS - CVE-2024-6844
Published: July 3, 2025
Vulnerability identifier: #VU112141
CSH Severity:
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CVE-ID: CVE-2024-6844
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cory Dolphin
Affected software:
Flask-CORS
Flask-CORS
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient validation of special characters in URL. A remote attacker can bypass applied CORS restrictions and gain unauthorized access to the application.
How to mitigate CVE-2024-6844
Install updates from vendor's website.