{"schema_version":1,"title":"Flask-Cors (PyPI) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 6 vulnerabilities in Flask-Cors (PyPI): 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2024-6844, was published on 7 July 2026.","url":"https://junglewise.ai/threats/technologies/flask-cors","json_url":"https://junglewise.ai/threats/technologies/flask-cors.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/flask-cors","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":6,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":3,"last_365_days":3},"latest":[{"cve":"CVE-2024-6844","cvss":3,"epss":0.0031,"slug":"cve-2024-6844-flask-cors-allows-for-inconsistent-cors-matching","title":"PYSEC-2026-1385 - Flask-CORS allows for inconsistent CORS matching","severity":"low","exploited":false,"published_at":"2026-07-07T14:34:54.518645+00:00","url":"https://junglewise.ai/threats/cve-2024-6844-flask-cors-allows-for-inconsistent-cors-matching"},{"cve":"CVE-2024-6839","cvss":3,"epss":0.0073,"slug":"cve-2024-6839-flask-cors-improper-regex-path-matching-vulnerability","title":"PYSEC-2026-1384 - Flask-CORS improper regex path matching vulnerability","severity":"low","exploited":false,"published_at":"2026-07-07T14:34:54.195042+00:00","url":"https://junglewise.ai/threats/cve-2024-6839-flask-cors-improper-regex-path-matching-vulnerability"},{"cve":"CVE-2024-6866","cvss":3,"epss":0.0071,"slug":"cve-2024-6866-flask-cors-vulnerable-to-improper-handling-of-case-sensitivity","title":"PYSEC-2026-1383 - Flask-CORS vulnerable to Improper Handling of Case Sensitivity","severity":"low","exploited":false,"published_at":"2026-07-07T14:34:54.132548+00:00","url":"https://junglewise.ai/threats/cve-2024-6866-flask-cors-vulnerable-to-improper-handling-of-case-sensitivity"},{"cve":"CVE-2024-6221","cvss":7.5,"epss":0.0072,"slug":"cve-2024-6221-flask-cors-improper-access-control-in-private-network-access","title":"Flask-Cors improper access control in Private Network Access header","severity":"high","exploited":false,"published_at":"2024-08-18T21:31:07+00:00","url":"https://junglewise.ai/threats/cve-2024-6221-flask-cors-improper-access-control-in-private-network-access"},{"cve":"CVE-2024-1681","cvss":5.3,"epss":0.0058,"slug":"cve-2024-1681-corydolphin-flask-cors-log-injection-in-debug-mode","title":"corydolphin flask-cors log injection in debug mode","severity":"medium","exploited":false,"published_at":"2024-04-19T21:31:08+00:00","url":"https://junglewise.ai/threats/cve-2024-1681-corydolphin-flask-cors-log-injection-in-debug-mode"},{"cve":"CVE-2020-25032","cvss":3.1,"epss":0.0402,"slug":"cve-2020-25032-flask-cors-directory-traversal-vulnerability","title":"PYSEC-2020-43 - An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal to access private reso","severity":"low","exploited":false,"published_at":"2020-08-31T04:15:00+00:00","url":"https://junglewise.ai/threats/cve-2020-25032-flask-cors-directory-traversal-vulnerability"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"tensorflow (PyPI)","slug":"pypi-tensorflow","vulnerabilities":428,"url":"https://junglewise.ai/threats/technologies/pypi-tensorflow"},{"name":"tensorflow-cpu (PyPI)","slug":"tensorflow-cpu","vulnerabilities":424,"url":"https://junglewise.ai/threats/technologies/tensorflow-cpu"},{"name":"tensorflow-gpu (PyPI)","slug":"tensorflow-gpu","vulnerabilities":421,"url":"https://junglewise.ai/threats/technologies/tensorflow-gpu"},{"name":"open-webui (PyPI)","slug":"open-webui","vulnerabilities":177,"url":"https://junglewise.ai/threats/technologies/open-webui"},{"name":"Django (PyPI)","slug":"django","vulnerabilities":172,"url":"https://junglewise.ai/threats/technologies/django"},{"name":"apache-airflow (PyPI)","slug":"apache-airflow","vulnerabilities":152,"url":"https://junglewise.ai/threats/technologies/apache-airflow"},{"name":"plone (PyPI)","slug":"pypi-plone","vulnerabilities":101,"url":"https://junglewise.ai/threats/technologies/pypi-plone"},{"name":"praisonai (PyPI)","slug":"pypi-praisonai","vulnerabilities":86,"url":"https://junglewise.ai/threats/technologies/pypi-praisonai"},{"name":"exiv2 (PyPI)","slug":"exiv2","vulnerabilities":85,"url":"https://junglewise.ai/threats/technologies/exiv2"},{"name":"nltk (PyPI)","slug":"nltk","vulnerabilities":83,"url":"https://junglewise.ai/threats/technologies/nltk"},{"name":"mlflow (PyPI)","slug":"mlflow","vulnerabilities":82,"url":"https://junglewise.ai/threats/technologies/mlflow"},{"name":"pillow (PyPI)","slug":"pillow","vulnerabilities":79,"url":"https://junglewise.ai/threats/technologies/pillow"}],"technology":{"hub":true,"name":"Flask-Cors (PyPI)","slug":"flask-cors","vendor":{"name":"PyPI","slug":"pypi","url":"https://junglewise.ai/threats/vendors/pypi"},"aliases":[],"homepage":"https://flask-cors.readthedocs.io/","repo_url":"https://github.com/corydolphin/flask-cors","description":"A Flask extension for handling Cross-Origin Resource Sharing (CORS), making cross-origin AJAX possible.","url":"https://junglewise.ai/threats/technologies/flask-cors"},"most_severe":[{"cve":"CVE-2024-6221","cvss":7.5,"epss":0.0072,"slug":"cve-2024-6221-flask-cors-improper-access-control-in-private-network-access","title":"Flask-Cors improper access control in Private Network Access header","severity":"high","exploited":false,"published_at":"2024-08-18T21:31:07+00:00","url":"https://junglewise.ai/threats/cve-2024-6221-flask-cors-improper-access-control-in-private-network-access"},{"cve":"CVE-2024-1681","cvss":5.3,"epss":0.0058,"slug":"cve-2024-1681-corydolphin-flask-cors-log-injection-in-debug-mode","title":"corydolphin flask-cors log injection in debug mode","severity":"medium","exploited":false,"published_at":"2024-04-19T21:31:08+00:00","url":"https://junglewise.ai/threats/cve-2024-1681-corydolphin-flask-cors-log-injection-in-debug-mode"},{"cve":"CVE-2020-25032","cvss":3.1,"epss":0.0402,"slug":"cve-2020-25032-flask-cors-directory-traversal-vulnerability","title":"PYSEC-2020-43 - An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal to access private reso","severity":"low","exploited":false,"published_at":"2020-08-31T04:15:00+00:00","url":"https://junglewise.ai/threats/cve-2020-25032-flask-cors-directory-traversal-vulnerability"},{"cve":"CVE-2024-6839","cvss":3,"epss":0.0073,"slug":"cve-2024-6839-flask-cors-improper-regex-path-matching-vulnerability","title":"PYSEC-2026-1384 - Flask-CORS improper regex path matching vulnerability","severity":"low","exploited":false,"published_at":"2026-07-07T14:34:54.195042+00:00","url":"https://junglewise.ai/threats/cve-2024-6839-flask-cors-improper-regex-path-matching-vulnerability"},{"cve":"CVE-2024-6866","cvss":3,"epss":0.0071,"slug":"cve-2024-6866-flask-cors-vulnerable-to-improper-handling-of-case-sensitivity","title":"PYSEC-2026-1383 - Flask-CORS vulnerable to Improper Handling of Case Sensitivity","severity":"low","exploited":false,"published_at":"2026-07-07T14:34:54.132548+00:00","url":"https://junglewise.ai/threats/cve-2024-6866-flask-cors-vulnerable-to-improper-handling-of-case-sensitivity"},{"cve":"CVE-2024-6844","cvss":3,"epss":0.0031,"slug":"cve-2024-6844-flask-cors-allows-for-inconsistent-cors-matching","title":"PYSEC-2026-1385 - Flask-CORS allows for inconsistent CORS matching","severity":"low","exploited":false,"published_at":"2026-07-07T14:34:54.518645+00:00","url":"https://junglewise.ai/threats/cve-2024-6844-flask-cors-allows-for-inconsistent-cors-matching"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}