CVE-2025-50181: PYSEC-2026-1999 - urllib3 redirects are not disabled when retries are disabled on PoolManager instantiation

CVE-2025-50181 · Severity: low · CVSS 3.1 · Published 2026-07-07

urllib3 redirects are not disabled when retries are disabled on PoolManager instantiation

Technologies: urllib3 (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-50181 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-50181 being exploited in the wild.
How severe is CVE-2025-50181?
Low severity, with a CVSS score of 3.1, published 7 July 2026.
Which products and versions are affected?
urllib3 (PyPI) ECOSYSTEM:introduced=0,fixed=2.5.0.
Is there a fix for CVE-2025-50181?
Yes. urllib3 (PyPI): upgrade to 2.5.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-50181?
Check whether you run urllib3 (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • urllib3 (PyPI): upgrade to 2.5.0 or later
    pip install "urllib3>=2.5.0"

Affected products

  • urllib3 (PyPI) ECOSYSTEM:introduced=0,fixed=2.5.0

Identifiers

  • CVE-2025-50181
  • GHSA-pq67-6m6q-mj2v
  • PYSEC-2026-1999

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