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Python Supply-Chain Compromise

ID: fcf500c8-cb0f-5b0d-a028-f93f2649c7cc

STIX ID: report--fcf500c8-cb0f-5b0d-a028-f93f2649c7cc

Feed Name: Schneier on Security

Threat Score
80/100

Date Published: 2026-04-08

Date Updated: 2026-05-05

Author: Bruce Schneier

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A malicious supply-chain compromise was identified in the PyPI package litellm v1.82.8: the published wheel includes a malicious .pth file (litellm_init.pth, 34,628 bytes) that the Python interpreter executes automatically on startup, enabling code execution without importing the module. The report calls for stronger supply-chain protections (SBOMs, SLSA, SigStore) to help secure critical libraries.

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