Weaponizing the Protectors: TeamPCP’s Multi-Stage Supply Chain Attack on Security Infrastructure


Between late February and March 2026, threat group TeamPCP conducted a highly calculated, escalating sequence of supply chain threats. It systematically compromised widely trusted open-source security tools, including the vulnerability scanners Trivy and KICS and the popular AI gateway LiteLLM.

The affected software also includes the official Python SDK of Telnyx. These ongoing supply chain attacks injected malicious infostealer payloads directly into GitHub Actions and Python Package Index (PyPI) registries. Once executed during routine automated workflows, the malware silently extracts highly sensitive data.

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Source: Paloa Alto Unit 42


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