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OpenAdvisories
Malicious MAL-2025-191924

wayspiritmcp-enconly

PyPI package · versions 0.1.3, 0.1.2, 0.1.1, 0.1.0

Reported Nov 5, 2025 · Updated Dec 31, 2025

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 (b075eb7116e55dd48db0e026ce51a42ec4e7e1e100b4b68c8a42d4b35411f749)
Package seems to provide an MCP server, but in fact contains attempts to make an LLM agent break safeguards. As the request is about leaves just a flag, it seems to be research.

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Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: 2025-11-wayspirit

Reasons (based on the campaign):

- llm-threat