txwrap

GHSA-fr4j-956f-g8w5

Malicious code in txwrap (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: kam193 (72b4db77d156fffbfdf3253cda39d73180fda419676d356fdbc217130c289549)
During importing, the remote code is downloaded. It then exfiltrates cryptocurrency wallet data to a hardcoded location and places a backdoor through a new authorized SSH key. Information about the placed backdoor is sent back to the attacker, and sshd configuration is adjusted to ensure the successful remote connection.


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


Campaign: 2026-05-ninja-core-utils


Reasons (based on the campaign):


 - backdoor


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


 - obfuscation


 - crypto-related


 - exfiltration-crypto

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/txwrap/MAL-2026-3619.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/txwrap
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/txwrap/MAL-2026-3619.json
- https://github.com/advisories/GHSA-fr4j-956f-g8w5

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.