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Your AI Gateway Was a Backdoor: Inside the LiteLLM Supply Chain Compromise
March 26, 2026 · Trend Micro · Severity: HIGH
Your AI Gateway Was a Backdoor: Inside the LiteLLM Supply Chain Compromise. 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. Security teams are urged to prioritize detection and response measures against this threat.
Key Takeaways
- Analysis reveals how Your AI Gateway Was a Backdoor infects and persists on target systems.
- High severity threat demands urgent attention from security teams to prevent data loss and system compromise.
- Organizations should implement AI governance policies and input validation to mitigate prompt injection and data leakage.