Malicious code in SharpCashAddr.Core (NuGet)
Malicious code was discovered in SharpCashAddr.Core NuGet package. The incident was identified and documented by the OpenSSF malicious packages project.
- Disclosed
- Last updated
- Blast radius
- Unknown; depends on adoption of affected versions
- Ecosystems
- Attack vectors
- Affected entities
- SharpCashAddr.CoreNuGet package
SharpCashAddr.Core, a NuGet package, was found to contain malicious code. The vulnerability was identified and cataloged by the OpenSSF's malicious packages initiative, which tracks confirmed malicious software artifacts across package ecosystems.\n\nThe incident was published on July 20, 2026, and assigned identifier MAL-2024-4641 in the OpenSSF malicious packages database. The source material indicates this was a compromised package incident affecting the NuGet ecosystem.\n\nUsers of SharpCashAddr.Core should immediately audit their dependencies and remove or update to a clean version if available.
Indicators of compromise
- Packages
- SharpCashAddr.Core
Remediation
- Remove SharpCashAddr.Core from affected projects or update to a verified clean version
- Audit project dependencies for any other potentially compromised packages
- Review any systems that may have executed code from affected versions
- Monitor for indicators of compromise if the malicious package was used in production
Sources
- GitHub Advisory GHSA-q43r-jgm6-42ff · GitHub Advisory Database
Cite this entry
"Malicious code in SharpCashAddr.Core (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-sharpcashaddr-core-nuget-18ln1t
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