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pypi · Malicious package advisory

Malware

gtkfuscator

GHSA-mcc4-7v8j-2h6p

Malicious code in gtkfuscator (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: oracle-using-macaron (83b5a97c937ac16481e2ad27346069180a0a823c5f6b361cc4e7f08e97716c24)
This package decompresses and executes a base64-encoded malicious payload.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/gtkfuscator/MAL-2025-191946.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/gtkfuscator/MAL-2025-191946.json
- https://github.com/advisories/GHSA-mcc4-7v8j-2h6p

Compromised versions (1)

  • = 1.0.0

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