MAL-2026-5821 Malicious code in pyptllm (PyPI)
Malicious package
Published
MAL-2026-5821 is a malicious package: pyptllm (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-2026-5821/ (Markdown: https://insights.sbomify.com/MAL-2026-5821/index.md)
- Package
- pyptllm
- Registry
- PyPI
What is MAL-2026-5821?
MAL-2026-5821 is a malicious package in pyptllm, published on 15 Jun 2026.
Official description
During installation, the code attempts to download and start a malicious executable.
Likely related to 2025-08-raknet-testing-package.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-06-easyaillm
Reasons (based on the campaign):
Downloads and executes a remote executable.
obfuscation
malware
tool:mshta
What should I do about MAL-2026-5821?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.