GitHub Malicious Repositories: 10,000 Trojan Clones Evade Detection for Over a Year
techtimes.com Jun 19, 2026

GitHub Malicious Repositories: 10,000 Trojan Clones Evade Detection for Over a Year

AI-summarised brief · reviewed before publication

A security researcher has discovered that approximately 10,000 GitHub repositories have been distributing Trojan malware to developers for over a year without being flagged or removed by the platform's automated security systems. The malicious repositories were created by cloning legitimate projects and adding a link to a downloadable ZIP archive containing a Trojan payload. The attackers exploited GitHub's trust signals and anomaly-detection architecture, making it difficult for automated systems to detect the long-running threats. The researcher released an open-source detection tool and a list of the affected repositories after GitHub's security team failed to respond to prior disclosures.

💡 Why It Matters

  • · The widespread evasion of GitHub's security systems highlights a critical vulnerability in the platform's architecture, allowing malicious actors to quietly distribute malware to developers for extended periods.
  • · This structural gap underscores the need for more robust anomaly-detection mechanisms to prevent similar campaigns in the future.