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Shai Hulud npm Worm Compromises Over 26,000 Repositories

Shai Hulud npm Worm Compromises Over 26,000 Repositories

First seen 24 Nov 2025, 16:28 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

The Shai Hulud worm has compromised more than 26,000 public repositories in a supply chain attack. The attack targeted various npm packages, exploiting vulnerabilities that allowed unauthorized access to these repositories. Security experts have provided mandatory tips to mitigate the impact of this incident.

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