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Your AI Gateway Was a Backdoor: Inside the LiteLLM Supply Chain Compromise
March 26, 2026 · Trend Micro · Severity: HIGH
TeamPCP orchestrated one of the most sophisticated multi-ecosystem supply chain campaigns publicly documented to date. It cascaded through developer tooling and compromised LiteLLM and exposed how AI proxy services that concentrate API keys and cloud credentials become high-value collateral when supply chain attacks compromise upstream dependencies.
Key Takeaways
- TeamPCP orchestrated one of the most sophisticated multi-ecosystem supply chain campaigns documented.
- The campaign cascaded through developer tooling and compromised LiteLLM.
- AI proxy services that concentrate API keys and cloud credentials become high-value collateral when compromised.