CVE-2026-44431 (GCVE-0-2026-44431)
Vulnerability from cvelistv5
Published
2026-05-13 15:20
Modified
2026-05-13 17:17
Severity ?
8.2 (High) - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
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.
References
Impacted products
Vendor Product Version
urllib3 urllib3 Version: >= 1.23, < 2.7.0
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