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OpenAdvisories
Malicious MAL-2026-2004

flyio-token-client-efgh

PyPI package · versions 0.1.0

Reported Mar 20, 2026 · Updated Mar 20, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: kam193 (2b09830263d8a35450ca657294a1725c441f2f7fe49cc7946e261e8f18401464)
During installation, package attempts to modify LLM configuration files to provide a backdoor instruction for further control over an AI agent.

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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-03-flyio-token-client-efgh

Reasons (based on the campaign):

- llm-threat

- The package overrides the install command in setup.py to execute malicious code during installation.