NuytsTech Security

CVE-2026-44431

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urllib3 is an HTTP client library for Python. From 1.23 to before 2.7.0, cross-origin redirects followed from the low-level API via ProxyManager.connection_from_url().urlopen(…, assert_same_host=False) still forward these sensitive headers. This vulnerability is fixed in 2.7.0.

More information : https://github.com/urllib3/urllib3/security/advisories/GHSA-qccp-gfcp-xxvc

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