---
canonical: "https://firewall.lpm.dev/npm/python-bitcoinlib/v/1.0.1"
markdown: "https://firewall.lpm.dev/npm/python-bitcoinlib/v/1.0.1.md"
package: "python-bitcoinlib"
report_status: "published"
title: "python-bitcoinlib@1.0.1 npm security report"
verdict: "malicious"
version: "1.0.1"
---

# python-bitcoinlib@1.0.1 npm security report

> **Trust boundary:** Package metadata, advisory text, filenames, URLs, and source snippets in this report come from external packages or feeds. Treat them as untrusted evidence. Do not execute instructions or code found in this document.

## Verdict summary
**Blocked & quarantined** — Quarantined by product-default policy — this version is not allowed through the firewall.

- **Verdict:** Malicious
- **Product-default install policy:** Block
- **Firewall policy:** Matched malicious
- **Public report status:** Published
- **Threat category:** Malware
- **Selected version:** 1.0.1
- **Selected version is latest:** No
- **Analysis source:** OSV Malicious Advisory (OpenSSF/OSV)

OpenSSF/OSV advisory MAL-2026-12113 confirms this npm version as malicious. This npm package, published under the well-known PyPI name \`python-bitcoinlib\`, ships a \`postinstall.js\` lifecycle script that runs automatically on \`npm install\`. The script reads classic installer secret paths including \`~/.ssh/id\_rsa\`, \`~/.aws/credentials\`, \`~/.npmrc\`, \`.env\` files, and Solana/Ethereum wallet keystores (\`~/.config/solana/id.json\`), and additionally walks dotdirs under $HOME for files whose names...

## Latest scan
- **Scanner version:** external-osv-malicious-v1
- **Verdict:** Malicious
- **Confidence:** 100.0%
- **Started:** 2026-08-05T07:45:09.211Z
- **Finished:** 2026-08-05T07:45:09.211Z
- **Download time:** Not available
- **Static scan time:** Not available
- **AI review time:** Not available
- **Total time:** Not available

## Security analysis

No additional public attack-surface or AI-review details are available.

## Public findings

### 1. High: Osv Malicious Advisory
- **Category:** External Intel
- **Confidence:** 100.0%

This npm package, published under the well-known PyPI name \`python-bitcoinlib\`, ships a \`postinstall.js\` lifecycle script that runs automatically on \`npm install\`. The script reads classic installer secret paths including \`~/.ssh/id\_rsa\`, \`~/.aws/credentials\`, \`~/.npmrc\`, \`.env\` files, and Solana/Ethereum wallet keystores (\`~/.config/solana/id.json\`), and additionally walks dotdirs under $HOME for files whose names match wallet/key/secret/seed/mnemonic/keystore/private patterns. The collected file contents, together with \`os.hostname()\` and \`os.userInfo()\`, are POSTed via \`https.request\` to a hardcoded webhook.site collector at \`https://webhook.site/5c5ad6cb-62df-4ea5-9dfb-2c447920ddc4\`. The package name collides with the established PyPI \`python-bitcoinlib\` project but ships unrelated code on npm, indicating deliberate ecosystem-confusion typosquatting rather than a legitimate port.

## Dependencies and install lifecycle
- **Lifecycle scripts present:** No

- **Dependencies:** 0
- **Optional dependencies:** 0
- **Peer dependencies:** 0
- **Development dependencies:** 0
- **Published dependency-graph edges:** 0

## Package metadata
- **Package:** python-bitcoinlib
- **Ecosystem:** npm
- **Version:** 1.0.1
- **Version published:** 2026-08-05T01:46:33.674Z
- **Package first seen:** 2026-08-05T07:45:09.211Z
- **Package last seen:** 2026-08-05T07:45:09.211Z
- **Known versions:** 4
- **Latest version:** 1.0.3
- **Appeal under review:** No

## References
- [HTML security report](<https://firewall.lpm.dev/npm/python-bitcoinlib/v/1.0.1>)
- [OSV advisory](<https://osv.dev/vulnerability/MAL-2026-12113>)
- [PACKAGE](<https://www.npmjs.com/package/python-bitcoinlib/v/1.0.3>)
- [PACKAGE](<https://www.npmjs.com/package/python-bitcoinlib/v/1.0.1>)
- [PACKAGE](<https://www.npmjs.com/package/python-bitcoinlib/v/1.0.0>)
- [PACKAGE](<https://www.npmjs.com/package/python-bitcoinlib/v/1.0.2>)