Malicious Package Affecting ui2.guna.winforms package, versions [2.0.4.5][2.0.4.8][2.0.4.9][2.0.4.7][2.0.4.6]
Threat Intelligence
Exploit Maturity
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
Attacked
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DOTNET-UI2GUNAWINFORMS-18138083
- published22 Jul 2026
- disclosed20 Jul 2026
- creditUnknown
Introduced: 20 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 UI2.Guna.Winforms package.
Overview
UI2.Guna.Winforms 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.