Joyfill npm Supply-Chain Attack Deploys RAT and Developer Credential Stealer

A supply-chain compromise targeting the npm ecosystem has introduced a multi-stage remote access trojan (RAT) and credential stealer through hijacked Joyfill packages, highlighting an increasingly sophisticated abuse of trusted developer dependencies. On July 28, 2026, malicious beta releases of @joyfill/components and @joyfill/layouts were published to the npm registry, embedding heavily obfuscated payloads directly into compiled […]

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