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CVE-2024-6866— Case-Insensitive Path Matching in corydolphin/flask-cors

Quick assessment

Affected
corydolphin corydolphin/flask-cors
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 4.01版本存在安全漏洞，该漏洞源于请求路径匹配不区分大小写，可能导致未授权跨域访问。

AI Predicted 5.3 Difficulty: Easy EPSS 0.71% · P52
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I. Basic Information for CVE-2024-6866

Vulnerability Information
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Vulnerability Title
Case-Insensitive Path Matching in corydolphin/flask-cors
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
大小写敏感处理不恰当
Source: CVE Program / CVE List V5
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 4.01版本存在安全漏洞，该漏洞源于请求路径匹配不区分大小写，可能导致未授权跨域访问。
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-2024-6866

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III. Intelligence Information for CVE-2024-6866

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Vendor Advisories for CVE-2024-6866 (1)

Same Patch Batch · corydolphin · 2025-03-20 · 3 CVEs total

CVE-2024-6844 Inconsistent CORS Matching Due to Handling of '+' in URL Path in corydolphin/flask-cors
CVE-2024-6839 Improper Regex Path Matching in corydolphin/flask-cors

IV. Related Vulnerabilities

Same product: corydolphin/flask-cors
Same vendor: corydolphin
Same weakness: CWE-178

V. Comments for CVE-2024-6866

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