MAL-2026-12080 Malicious code in bip39-py (PyPI)
Malicious package
Published
MAL-2026-12080 is a malicious package: bip39-py (PyPI). Every version was published to cause harm.
Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.
Reference: https://insights.sbomify.com/MAL-2026-12080/ (Markdown: https://insights.sbomify.com/MAL-2026-12080/index.md)
- Package
- bip39-py
- Registry
- PyPI
What is MAL-2026-12080?
MAL-2026-12080 is a malicious package in bip39-py, published on 5 Aug 2026.
Official description
During installation, the package exfiltrates sensitive env variables, browser data, crypto wallets files, ssh keys and other configuration files.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-08-bip39-py
Reasons (based on the campaign):
crypto-related
The package overrides the install command in setup.py to execute malicious code during installation.
exfiltration-crypto
exfiltration-browser-data
exfiltration-env-variables
exfiltration-ssh-keys
exfiltration-credentials
uses-telegram-bot
What should I do about MAL-2026-12080?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.