Malicious dropper in mistralai 2.4.6 PyPI package

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS No score.

Timeline

This record came from the full history of the GitHub Advisory Database, published 18 May 2026. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-wx9m-wx4f-4cmg
• OSV: GHSA-wx9m-wx4f-4cmg
• github.com/mistralai/client-python/security/advisories/GHSA-wx9m-wx4f-4cmg
• github.com/mistralai/client-python/issues/523
• github.com/mistralai/client-python
• safedep.io/mass-npm-supply-chain-attack-tanstack-mistral
• socket.dev/blog/tanstack-npm-packages-compromised-mini-shai-hulud-supply-chain-attack
• www.stepsecurity.io/blog/mini-shai-hulud-is-back-a-self-spreading-supply-chain-attack-hits-the-npm-ecosystem

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.