What the LiteLLM Supply Chain Attack Teaches Us About Securing AI Infrastructure
On March 24, 2026, attackers published backdoored versions of LiteLLM to PyPI using credentials stolen through a compromised security scanner in LiteLLM's own CI/CD pipeline. The incident exposed a pattern we see across nearly every AI deployment: the packages that aggregate the most credentials receive the least scrutiny. Organizations that treated their AI supply chain like critical infrastructure were unaffected. Here is what they did differently.