Malicious Package Affecting captchacsharp package, versions [3.2.3][3.2.7][3.2.49][3.2.24][3.2.8][3.2.19][3.2.11][3.2.5][3.2.9][3.2.47][3.2.41][3.2.52][3.2.17][3.2.50][3.2.38][3.2.42][3.2.15][3.2.13][3.2.36][3.2.30][3.2.21][7.0.0][3.2.32][3.2.34][3.2.40][3.2.14][3.2.12][3.2.51][3.2.39][3.2.22][3.2.18][3.2.46][3.2.27][3.2.4][3.2.25][3.2.48][3.2.16][3.2.35][3.2.33][3.2.26][7.0.1][3.2.23][3.2.29][3.2.28][3.2.20][3.2.43][3.2.10][3.2.31][3.2.37][3.2.44][3.2.45][3.2.6]
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-DOTNET-CAPTCHACSHARP-18137969
- 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 CaptchaCsharp package.
Overview
CaptchaCsharp 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.