CrowdSec Says TanStack npm Attack Led to Copy of 170 Private GitHub Repositories

CrowdSec Says TanStack npm Attack Led to Copy of 170 Private GitHub Repositories Swati KhandelwalSep 19, 2026Data Breach / Supply Chain Attack An attacker copied about 170 of CrowdSec's private GitHub repositories on May 22 using the account of an employee who had just left, CrowdSec said on September 18. The French security company had kept his GitHub access open. CrowdSec says his laptop was compromised in May's supply chain attack on TanStack, in which malicious versions of TanStack's npm packages stole credentials from developers' machines. The code appeared on an online forum on September 16. Along with the source code, it contained the email addresses of 83 CrowdSec users and the names, email addresses, and investment context of 51…