Mini Shai-Hulud Hits AntV: 300+ Malicious npm Packages Published via Compromised Maintainer Account
A supply chain attack affecting the @antv data visualization ecosystem and related npm packages is actively spreading through the npm registry. The attack, attributed to a threat group called TeamPCP and branded as another wave of the Mini Shai-Hulud campaign, published more than 300 malicious package versions across 323 packages in a 22-minute automated burst on May 19, 2026. The packages collectively represent approximately 16 million weekly downloads.