h4xupdate

GHSA-vv82-49p9-rcch

Malicious code in h4xupdate (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.0.1`

## Source: kam193 (0de4da975d7b071824607be751a9ea0fb13e409eaef58d1cc0628263d5dea700)
Package contains a remote control tool taking orders from a hardcoded Telegram bot. The authorship impersonate legitimate company.


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


Campaign: 2026-05-h4xupdate


Reasons (based on the campaign):


 - rat


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


 - files-exfiltration


 - impersonation

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/h4xupdate/MAL-2026-5093.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/h4xupdate
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/h4xupdate/MAL-2026-5093.json
- https://github.com/advisories/GHSA-vv82-49p9-rcch

Compromised versions (1)

= 0.0.1

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