TeamPCP’s Telnyx Attack Marks a Shift in Tactics Beyond LiteLLM

Reported 30 Mar 2026 by otx · Severity: medium

TeamPCP launched a sophisticated attack on the Telnyx Python SDK, publishing malicious versions 4.87.1 and 4.87.2 to PyPI. The attack represents an evolution from their previous LiteLLM campaign, incorporating WAV-based steganography, split-file code injection, and expanded platf