browser-run

GHSA-xmmf-jg6w-vv63

Malicious code in browser-run (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## Source: kam193 (3b45aebce3647704ac54d30a38e86493e0246f9ea44131394f84628656ef00ed)
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.


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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

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/browser-run/MAL-2025-191696.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/browser-run
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/browser-run/MAL-2025-191696.json
- https://github.com/advisories/GHSA-xmmf-jg6w-vv63

Compromised versions (1)

= 0.1.0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.