web3-helper

GHSA-m45f-g9q7-w696

Malicious code in web3-helper (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: kam193 (8b4b0ec18a585bcc92bfeea9cf5e3febdd7d540f38f78cb1acc62ce33784a492)
The code automatically scans the filesystem looking for BIP-39 seed phrases and data indicating private keys, and exfiltrates them


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


Campaign: 2026-05-solana-wallet-sdk


Reasons (based on the campaign):


 - files-exfiltration


 - 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/web3-helper/MAL-2026-3385.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/web3-helper
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/web3-helper/MAL-2026-3385.json
- https://github.com/advisories/GHSA-m45f-g9q7-w696

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.