MAL-2025-191696 Malicious code in browser-run (PyPI)
Malicious package
Published
MAL-2025-191696 is a malicious package: browser-run (PyPI). Every version was published to cause harm.
Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.
Reference: https://insights.sbomify.com/MAL-2025-191696/ (Markdown: https://insights.sbomify.com/MAL-2025-191696/index.md)
- Package
- browser-run
- Registry
- PyPI
What is MAL-2025-191696?
MAL-2025-191696 is a malicious package in browser-run, published on 14 Aug 2025.
Official description
Package uses the name as popular NPM package (https://www.npmjs.com/package/browser-run), but the only thing it does is adding a hardcoded public SSH key and then calling back. This may allow the threat actor to remotely access the machine.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-08-browser-run
Reasons (based on the campaign):
backdoor
dependency-confusion
action-hidden-in-lib-usage
What should I do about MAL-2025-191696?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.