Information Exposure Affecting python3-urllib3 package, versions <0:1.25.6-2.amzn2.0.6


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.33% (26th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHON3URLLIB3-17406663
  • published23 Jun 2026
  • disclosed13 May 2026

Introduced: 13 May 2026

CVE-2026-44431  (opens in a new tab)
CWE-201  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python3-urllib3 to version 0:1.25.6-2.amzn2.0.6 or higher.
This issue was patched in ALAS2-2026-3376.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-urllib3 package and not the python3-urllib3 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1