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vulnerability

Ubuntu: USN-7612-1 (CVE-2024-6866): Flask-CORS vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:C/I:N/A:N)
Published
Mar 20, 2025
Added
Jun 26, 2025
Modified
Apr 16, 2026

Description

corydolphin/flask-cors version 4.01 contains a vulnerability where the request path matching is case-insensitive due to the use of the `try_match` function, which is originally intended for matching hosts. This results in a mismatch because paths in URLs are case-sensitive, but the regex matching treats them as case-insensitive. This misconfiguration can lead to significant security vulnerabilities, allowing unauthorized origins to access paths meant to be restricted, resulting in data exposure and potential data leaks.

Solutions

ubuntu-pro-upgrade-python3-flask-corsubuntu-upgrade-python3-flask-cors
Title
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