CVE-2024-6866— Case-Insensitive Path Matching in corydolphin/flask-cors
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
大小写敏感处理不恰当
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 4.01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
| # | POC Description | Source Link | Shenlong Link |
|---|
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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 weakness: CWE-178
- CVE-2026-3833
Gnutls: gnutls: policy bypass due to case-sensitive namecons - CVE-2026-40453
Apache Camel JMS, Apache Camel CoAP, Apache Camel Google Pub - CVE-2026-22665
prompts.chat Identity Confusion via Case-Sensitive Username - CVE-2026-33691
OWASP CRS: Whitespace padding in filenames bypasses file upl - CVE-2026-3532
OpenID Connect / OAuth client - Less critical - Access bypas
V. Comments for CVE-2024-6866
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