GitHub Internal Repositories Breached via Malicious Nx Console VS Code Extension
May 21, 2026
Supply Chain Attack / Developer Tools
GitHub on Wednesday officially confirmed that the breach of its internal repositories was the result of a compromise of an employee device involving a poisoned version of the Nx Console Microsoft Visual Studio Code (VS Code) extension. The development comes as the Nx team revealed that the extension, nrwl.angular-console , was breached after one of its developers' systems was hacked in the wake of the recent TanStack supply chain attack. Other companies that were impacted by the TanStack compromise include OpenAI, Mistral AI , and Grafana Labs . "We have no evidence of impact to customer information stored outside of GitHub's internal repositories, such as our customer's own enterprises, organizations, and repositories," Alexis Wales, Chief Information Security Officer of GitHub, said in a statement. "Some of GitHub's internal repositories contain information from customers, for example, excerpts of support interactions. If any impact is discov...