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ONE Sentinel

securitySecurity/THREATS/HIGH

The ‘Miasma’ worm source code briefly leaked on GitHub

sourceBleeping Computer
calendar_todayJune 10, 2026
schedule1 min read
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EXECUTIVE SUMMARY

Miasma Worm Source Code Leaked on GitHub, Raising Security Concerns

Summary

The source code for the Miasma worm, a credential-stealing attack framework, was briefly leaked on GitHub. This framework has been targeting open-source ecosystems through supply-chain attacks.

Key Points

  • The Miasma worm is known for credential-stealing and targeting open-source ecosystems.
  • The source code was briefly available on GitHub, a major platform for code hosting.
  • Miasma employs supply-chain attacks, which are increasingly common and dangerous.
  • The leak was temporary, but it raises concerns about the security of open-source projects.

Analysis

The brief leak of the Miasma worm's source code on GitHub highlights the vulnerabilities present in open-source ecosystems. Supply-chain attacks, like those executed by Miasma, can have widespread impacts due to the interconnected nature of software dependencies. This incident underscores the need for robust security practices in managing open-source projects and repositories.

Conclusion

IT professionals should enhance their monitoring and security measures for open-source projects, especially those hosted on platforms like GitHub. Implementing stricter access controls and regular audits can help mitigate the risks posed by such leaks.