Malicious Package Affecting pymem-win package, versions [1.14.6][1.14.5][1.14.4][1.14.1][1.14.0]


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

Exploit Maturity
Attacked

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  • Snyk IDSNYK-PYTHON-PYMEMWIN-19778387
  • published14 Sept 2026
  • disclosed27 Jul 2026
  • creditUnknown

Introduced: 27 Jul 2026

Malicious CVE NOT AVAILABLE CWE-506  (opens in a new tab)

How to fix?

Avoid using all malicious instances of the pymem-win package.

Overview

pymem-win is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package authorship.

CVSS Base Scores

version 4.0
version 3.1