MAL-2026-2999 Malicious code in pypdf-fork (PyPI)
Malicious package
Published
MAL-2026-2999 is a malicious package: pypdf-fork (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-2026-2999/ (Markdown: https://insights.sbomify.com/MAL-2026-2999/index.md)
- Package
- pypdf-fork
- Registry
- PyPI
What is MAL-2026-2999?
MAL-2026-2999 is a malicious package in pypdf-fork, published on 22 Apr 2026.
Official description
During importing the module, package sends a beacon notification to the owner. The package has no other differences from the original legitimate "pypdf".
Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.
Campaign: 2026-04-pypdf-fork
Reasons (based on the campaign):
- clones-real-package
What should I do about MAL-2026-2999?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.