MAL-2026-4810 Malicious code in binproto (PyPI)
Malicious package
Published
MAL-2026-4810 is a malicious package: binproto (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-2026-4810/ (Markdown: https://insights.sbomify.com/MAL-2026-4810/index.md)
- Package
- binproto
- Registry
- PyPI
What is MAL-2026-4810?
MAL-2026-4810 is a malicious package in binproto, published on 26 May 2026.
Official description
When using the provided functionality, the code silently downloads and executes a malicious executable.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-05-binproto
Reasons (based on the campaign):
obfuscation
Downloads and executes a remote executable.
action-hidden-in-lib-usage
malware
What should I do about MAL-2026-4810?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.