Malicious Package Affecting utf-cleaner package, versions [3.3.9][3.3.8][3.3.7][3.4.0][3.4.2][3.4.1]
Threat Intelligence
Exploit Maturity
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
Attacked
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Test your applications- Snyk IDSNYK-PYTHON-UTFCLEANER-18138441
- published22 Jul 2026
- disclosed21 Jul 2026
- creditUnknown
Introduced: 21 Jul 2026
New Malicious CVE NOT AVAILABLE CWE-506 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Avoid using all malicious instances of the utf-cleaner package.
Overview
utf-cleaner 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.