jsonconfig-utils

GHSA-v3qf-hj4j-5f4m

Malicious code in jsonconfig-utils (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.3`

## Source: kam193 (883897a307b53ac17e981eac46b8d6f8c31d88fc2628c6d57c5f7f191ed84b81)
During installation, package installs a script that listens for remote commands and executes them. The script is also added to autostart configuration and disguised as system application


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


Campaign: 2026-02-devtools-webhook-cicd-utils


Reasons (based on the campaign):


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


 - peristence-autorun


 - The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.


 - obfuscation

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/jsonconfig-utils/MAL-2026-849.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/jsonconfig-utils
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/jsonconfig-utils/MAL-2026-849.json
- https://github.com/advisories/GHSA-v3qf-hj4j-5f4m

Compromised versions (1)

= 1.0.3

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