eth-web3-utils

GHSA-w9xq-8pc4-q422

Malicious code in eth-web3-utils (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: kam193 (ab01b68589d4f3b1e8686ed007d522f24c8259049cb211a023ac3f3ff8f56ce4)
Code pretends to be an ETH utility and exfiltrates the given seed/private key


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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/eth-web3-utils/MAL-2026-3379.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/eth-web3-utils
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/eth-web3-utils/MAL-2026-3379.json
- https://github.com/advisories/GHSA-w9xq-8pc4-q422

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.