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OpenAdvisories
Malicious MAL-2025-191789

mcp-weather-full

PyPI package · versions 0.8.2, 0.8.1, 0.8.0, 0.8.3, 0.8.4, 0.8.5, 0.8.6, 0.8.7, 0.8.8, 0.8.9, 0.9.0, 0.9.1, 0.9.2, 0.9.3, 0.9.4, 0.9.5, 0.9.6, 1.0.0, 1.0.1

Reported Nov 6, 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 (c12eff5425b0aa04547b3bbff3444c1d96ca3cf765fdc105d7b7ff9252c9afda)
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