cpan

GHSA-3x98-r3hg-rppg

Malicious code in cpan (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.0.2`

## Source: kam193 (e70433969aea3c8283f99098b25b8a598f427b5fd451e9bfd5bc46098704bfb2)
Installing the package starts a revshell and download and starts a remote script (depending on version, different malicious functionality). The name seems to imitate CPAN.org


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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2025-06-cpan


Reasons (based on the campaign):


 - The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.


 - impersonation


 - Downloads and executes a remote malicious script.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/cpan/MAL-2025-6483.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/cpan
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/cpan/MAL-2025-6483.json
- https://github.com/advisories/GHSA-3x98-r3hg-rppg

Compromised versions (1)

= 0.0.2

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.