A single developer. One poisoned extension. Five supply chain surfaces compromised in 48 hours. And a threat group claiming their tool was built by Claude.On May 20, 2026, GitHub confirmed Opens a new window what the security community had suspected for weeks: a poisoned VS Code extension installed on a single employee’s device gave attackers […] The post Did AI write the worm that breached GitHub’s own house? appeared first on Spiceworks Inc .