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Flask-CORS improper regex path matching vulnerability

🗓️ 07 Jul 2026 14:34:54Reported by Python Packaging AdvisoryType 
pypa
 pypa🔗 github.com👁 3 Views

Flask-CORS 5.0.1 has improper regex path matching, enabling unauthorized cross-origin access to sensitive endpoints.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: The IBM Maximo Application Suite AI-Service component uses multiple third-party dependencies that contain vulnerabilities associated with multiple CVEs.
2 Feb 202604:22
–ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Data System (CPDS 1.0) is affected by multiple vulnerabilities due to Flask-Cors
1 Apr 202609:55
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite uses flask_cors-5.0.1-py3-none-any.whl which is vulnerable to CVE-2024-6866, CVE-2024-6839, CVE-2024-6.
1 Aug 202510:38
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Visual Inspection component uses flask_cors-5.0.1-py3-none-any.whl which is vulnerable to this CVE-2024-6839, CVE-2024-6866 and CVE-2024-6844
1 Aug 202510:29
–ibm
IBM Security Bulletins		Security Bulletin: Log Injection Vulnerability in orydolphin/flask-cors (Debug Logging) affects watsonx.data
8 Apr 202608:45
–ibm
BDU FSTEC		The vulnerability of the CORS mechanism implementation in Python PyPi storage solutions allows attackers to disclose protected information.
27 Sep 202400:00
–bdu_fstec
Chainguard		CVE-2024-6839 vulnerabilities
22 May 202501:14
–cgr
Circl		CVE-2024-6839
20 Mar 202513:10
–circl
CNNVD		Flask-CORS 安全漏洞
20 Mar 202500:00
–cnnvd
CVE		CVE-2024-6839
20 Mar 202510:09
–cve
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Vulners
Node
pypiflask-corsRange0–6.0.0

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07 Jul 2026 17:24Current
6Medium risk
Vulners AI Score6
CVSS 34.3
CVSS 3.15.3
EPSS0.00652
SSVC
FlaskCross originRegex matchingVulnerabilitySensitive endpoints
3