MAL-2026-2533 Malicious code in phasedibd (PyPI)

Malicious package Published
Package
phasedibd
Registry
PyPI

What is MAL-2026-2533?

MAL-2026-2533 is a malicious package in phasedibd, published on 10 Apr 2026.

Official description

Dependency confusion attempt. The user identifies themselves as a HackerOne user abusing the PyPI for the purpose of a bug bounty program. This package did not contain any exfiltration activity.


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: GENERIC-hackerone-bugbounty

Reasons (based on the campaign):

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

  • dependency-confusion

What should I do about MAL-2026-2533?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

Sources

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