CVE-2024-6839— Improper Regex Path Matching in corydolphin/flask-cors
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I. Basic Information for CVE-2024-6839
Vulnerability Information
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Vulnerability Title
Improper Regex Path Matching in corydolphin/flask-cors
Source: NVD (National Vulnerability Database)
Vulnerability Description
corydolphin/flask-cors version 4.0.1 contains an improper regex path matching vulnerability. The plugin prioritizes longer regex patterns over more specific ones when matching paths, which can lead to less restrictive CORS policies being applied to sensitive endpoints. This mismatch in regex pattern priority allows unauthorized cross-origin access to sensitive data or functionality, potentially exposing confidential information and increasing the risk of unauthorized actions by malicious actors.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径等价的解析不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Flask-CORS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flask-CORS是Cory Dolphin个人开发者的一个Flask的跨源资源共享组件。 Flask-CORS 4.0.1版本存在安全漏洞，该漏洞源于正则表达式路径匹配不当，可能导致跨域资源共享策略应用不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| corydolphin | corydolphin/flask-cors | unspecified ~ latest | - |
II. Public POCs for CVE-2024-6839
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · corydolphin · 2025-03-20 · 3 CVEs total
| CVE-2024-6866 | Case-Insensitive Path Matching in corydolphin/flask-cors | |
| CVE-2024-6844 | Inconsistent CORS Matching Due to Handling of '+' in URL Path in corydolphin/flask-cors |
IV. Related Vulnerabilities
V. Comments for CVE-2024-6839
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