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securitySecurity/THREATS/HIGH

Claude Code leak used to push infostealer malware on GitHub

sourceBleeping Computer
calendar_todayApril 2, 2026
schedule1 min read
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EXECUTIVE SUMMARY

Claude Code Leak Exploited to Spread Infostealer Malware on GitHub

Summary

The article discusses how threat actors are leveraging the recent Claude Code source code leak to distribute Vidar information-stealing malware via fake GitHub repositories.

Key Points

  • Threat actors are exploiting a recent source code leak known as Claude Code.
  • The malicious activity involves the use of fake GitHub repositories.
  • The primary malware being distributed is Vidar, an information-stealing malware.
  • The attack vector targets developers and IT professionals who might download the compromised code.

Analysis

This incident highlights the ongoing risks associated with code leaks and the potential for malicious actors to exploit these leaks to distribute malware. The use of a popular platform like GitHub increases the risk of widespread distribution, making it crucial for IT professionals to be vigilant about the sources of their code downloads.

Conclusion

IT professionals should exercise caution when downloading code from repositories, especially in light of recent leaks. Verifying the authenticity of repositories and using security tools to scan for malware can help mitigate these risks.