MAL-2026-26 Malicious code in pdatainstaller (PyPI)
Malicious package
Published
MAL-2026-26 is a malicious package: pdatainstaller (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-2026-26/ (Markdown: https://insights.sbomify.com/MAL-2026-26/index.md)
- Package
- pdatainstaller
- Registry
- PyPI
What is MAL-2026-26?
MAL-2026-26 is a malicious package in pdatainstaller, published on 2 Jan 2026.
Official description
Package is designed to download and execute a remote script, but the script itself seems to be broken (missing or wrong URLs). It's most probably a test before next packages with real malicious content.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-12-pdatainstaller
Reasons (based on the campaign):
Downloads and executes a remote malicious script.
malware
Downloads and executes a remote executable.
What should I do about MAL-2026-26?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.