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OpenAdvisories
Malicious MAL-2026-31

telstra

PyPI package · versions 2.0.1

Reported Jan 3, 2026 · Updated Jan 11, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: kam193 (e6ff467569b104f23ebbdc6ef58dec14795aaf14548185bd3b31886ecd9b8003)
Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.

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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-standard-pypi-install-pentest

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.

- The package overrides the install command in setup.py to execute malicious code during installation.

Source: ossf-package-analysis (927c85adbb012ce48d49fb1db49c7746ef98eb5463f3c56bc27c8d96532ff487)
The OpenSSF Package Analysis project identified 'telstra' @ 2.0.1 (pypi) as malicious.

It is considered malicious because:

- The package executes one or more commands associated with malicious behavior.