urllib3 Summary

Latest vulnerabilities published by urllib3

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19 June 2025

Redirect Control Issue in urllib3 Affects Python Libraries
CVE-2025-50182
Urllib3Urllib35.3MEDIUM
Redirect Handling Vulnerability in urllib3 HTTP Client Library
CVE-2025-50181
Urllib3Urllib35.3MEDIUM

17 June 2024

urllib3 strips Proxy-Authorization header by default to protect users
CVE-2024-37891
Urllib3Urllib34.4MEDIUM

17 October 2023

Request body not stripped after redirect in urllib3
CVE-2023-45803
Urllib3Urllib34.2MEDIUM

4 October 2023

`Cookie` HTTP header isn't stripped on cross-origin redirects
CVE-2023-43804
Urllib3Urllib3👾🟡5.9MEDIUM

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