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9.5 — CRITICAL

Massive ChainDrop npm supply-chain attack infects hundreds of packages

📅 4 August 2026 at 15:24 UTC📰 Bleeping ComputerView original source ↗
Massive ChainDrop npm supply-chain attack infects hundreds of packages

Self-propagating malware named 'ChainDrop' has compromised more than 1,300 packages with a combined 2 billion monthly downloads on the Node Package Manager (npm) registry. [...]

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A supply-chain attack using the Shai-Hulud-based worm 'ChainDrop' compromised over 1,300 npm packages with a combined 2 billion monthly downloads, infecting hundreds of popular applications.

⚙️Technical Details
💥Impact Assessment
Severity: Critical
Who Is at Risk
Developers, organizations using affected packages, and systems with compromised CI/CD runners
🛡️Recommended Actions
1Rebuild systems from safe backups or from scratch
2Rotate all tokens that were accessible from the impacted environment
3Review logs for unauthorized access and repositories for unexpected commits or changes
📦Affected Products
npm packages affected by the supply-chain attack

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