open-vp-cal

Details

**Severity:** Critical

**Affected versions:** `= 1.3.1`

## Source: kam193 (ab8c06b5d7e9b98d62708ab7377d9e18a214e884c69b0c7217979121aed06917)
When executing the module, the code installs a package from a remote location. The remote package contains malicious code exfiltrating selected env variables and selected information from credential files. The code claims to be security research.


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


Campaign: 2026-03-open-vp-cal


Reasons (based on the campaign):


 - exfiltration-env-variables


 - Downloads and executes a remote malicious script.


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

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/open-vp-cal/MAL-2026-2138.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/open-vp-cal
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/open-vp-cal/MAL-2026-2138.json
- https://github.com/advisories/GHSA-9rmp-mh7w-m637

Compromised versions (1)

• = 1.3.1

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