flyio-token-client-efgh

GHSA-ccvx-pmf7-8363

Malicious code in flyio-token-client-efgh (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## 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.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/flyio-token-client-efgh/MAL-2026-2004.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/flyio-token-client-efgh
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/flyio-token-client-efgh/MAL-2026-2004.json
- https://github.com/advisories/GHSA-ccvx-pmf7-8363

Compromised versions (1)

= 0.1.0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.