MAL-2026-1089 Malicious code in randomstringgen (PyPI)
Malicious package
Published
MAL-2026-1089 is a malicious package: randomstringgen (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-2026-1089/ (Markdown: https://insights.sbomify.com/MAL-2026-1089/index.md)
- Package
- randomstringgen
- Registry
- PyPI
What is MAL-2026-1089?
MAL-2026-1089 is a malicious package in randomstringgen, published on 28 Feb 2026.
Official description
Using the provided function results in exfiltrating the current running file (likely the user's script) to the hardcoded location.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-02-old-randomstringgen
Reasons (based on the campaign):
files-exfiltration
action-hidden-in-lib-usage
What should I do about MAL-2026-1089?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.