MAL-2026-5029 Malicious code in modulebuild3240234t (PyPI)
Malicious package
Published
MAL-2026-5029 is a malicious package: modulebuild3240234t (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-2026-5029/ (Markdown: https://insights.sbomify.com/MAL-2026-5029/index.md)
- Package
- modulebuild3240234t
- Registry
- PyPI
What is MAL-2026-5029?
MAL-2026-5029 is a malicious package in modulebuild3240234t, published on 29 May 2026.
Official description
The package contains an infostealer targeting the Roblox ecosystem.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-05-modulebuild3240234t
Reasons (based on the campaign):
obfuscation
infostealer
exfiltration-credentials
What should I do about MAL-2026-5029?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.