#teampcp

TeamPCP open-sourced Shai-Hulud today. The OIDC token extraction technique that made the TanStack attack different from every previous campaign is now a public toolkit.

The TeamPCP threat group has pulled off another big supply chain attack which within a few hours this week was able to successfully compromise 170 Node Package Manager (npm) and PyPI packages. The attack affected the entire TanStack Router ecosystem (@tanstack) of 42 packages, a routing library hugely popular among React web application developers. Multiple other packages were also affected, including @squawk (87 packages), @uipath (66 packages), @tallyui (30 packages), @beproduct (18 packages), as well as Mistral AI’s SDK suite on both npm and PyPI, and the Guardrails AI PyPI package. The attacks, noticed by several vendors using automated security tools, happened on May 11, spreading rapidly through package ecosystems thanks to the worm capabilities of the automated Mini Shai-Hulud malware platform, analysis found. The exact number of package versions caught up in the attack varies depending on the source; according to Aikido Security it was 373 across 169 package namespaces, while S