GHSA-xc3p-ff3m-f46v

    Dashboard / Vulnerabilities / GHSA-xc3p-ff3m-f46v

    GHSA-xc3p-ff3m-f46v

    Published: 6 May 2021Last Modified: 10 Sept 2026

    Summary: Flask-Cors Directory Traversal vulnerability

    Details: An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows `../` directory traversal to access private resources because resource matching does not ensure that pathnames are in a canonical format.

    Affected packages

    Package

    Name: flask-cors

    Purl: pkg:pypi/flask-cors

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.0.9

    Affected versions

    0.0.0.dev3
    0.0.0.dev4

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-xc3p-ff3m-f46v | CVE-DB