CVE-2026-44431 (Medium) detected in urllib3-1.25.10-py2.py3-none-any.whl

[mend-bolt-for-github]

CVE-2026-44431 - Medium Severity Vulnerability

Vulnerable Library - urllib3-1.25.10-py2.py3-none-any.whl

HTTP library with thread-safe connection pooling, file post, and more.

Library home page: https://files.pythonhosted.org/packages/9f/f0/a391d1463ebb1b233795cabfc0ef38d3db4442339de68f847026199e69d7/urllib3-1.25.10-py2.py3-none-any.whl

Path to dependency file: /day70/requirements.txt

Path to vulnerable library: /day70/requirements.txt

Dependency Hierarchy:

• ❌ urllib3-1.25.10-py2.py3-none-any.whl (Vulnerable Library)

Found in HEAD commit: c88b9429eb68a85b22f0e39cac7bf20b89cb6709

Found in base branch: master

Vulnerability Details

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.

Publish Date: 2026-05-13

URL: CVE-2026-44431

CVSS 3 Score Details (5.9)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: GHSA-qccp-gfcp-xxvc

Release Date: 2026-05-11

Fix Resolution: 2.7.0

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