{"answers":{"affected":"1 open source package ship an affected version, including python-bitcoinlib.","exploited":"There is no known exploitation of MAL-2026-12113 in the wild and no public exploit code.","fix":"Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.","what":"MAL-2026-12113 is a malicious package in python-bitcoinlib, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-12113 is a malicious package: python-bitcoinlib (npm). Every version was published to cause harm.\n\nTask:\n1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.\n2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.\n3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.\n4. If the package is not used anywhere, say so and change nothing.\n\nReference: https://insights.sbomify.com/MAL-2026-12113/ (Markdown: https://insights.sbomify.com/MAL-2026-12113/index.md)","id":"MAL-2026-12113","markdown":"https://insights.sbomify.com/MAL-2026-12113/index.md","name":"MAL-2026-12113","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"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.","ecosystems":["npm"],"exploits":{"exploitdb":null,"first_seen":null,"github_poc":null,"max_poc_stars":null,"metasploit":null,"nuclei":null,"refs":[],"tier":null},"has_fix":false,"headline":"Malicious code in python-bitcoinlib (npm)","id":"MAL-2026-12113","indexable":true,"kev":null,"kind":"malicious","links":{"ecosystem":"npm","product":null,"products":[],"type":null,"year":"2026"},"n_packages":1,"n_references":null,"packages":[{"ecosystem":"npm","fixed":[],"introduced":[],"last_affected":[],"package":"python-bitcoinlib","purl":"pkg:npm/python-bitcoinlib","source":"MAL-2026-12113"}],"products":null,"published":"2026-08-05","related":[],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"OpenSSF Malicious Packages","prefix":"MAL"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":null,"updated":null,"vendors":null},"summary":null,"url":"https://insights.sbomify.com/MAL-2026-12113/"}