lightmock

GHSA-m6xj-r6x3-8m95

Malicious code in lightmock (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## Source: kam193 (a3c7924362f935b55a808e1ede8ffea2dbc96326b853dc00d7ede36c002ff63c)
Clone of a legitimate package. During import, heavily obfuscate code downloads next stages and finally exfiltrates sensitive data, including data from web browsers.


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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2026-03-lightmock


Reasons (based on the campaign):


 - clones-real-package


 - obfuscation


 - infostealer


 - exfiltration-browser-data


 - exfiltration-crypto


 - Downloads and executes a remote malicious script.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/lightmock/MAL-2026-2233.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/lightmock
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/lightmock/MAL-2026-2233.json
- https://github.com/advisories/GHSA-m6xj-r6x3-8m95

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.