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npm · Malicious package advisory

Malware

level-json

GHSA-q99x-vcqm-87v5

Malicious code in level-json (npm)

Details

**Severity:** Critical

**Affected versions:** `> 0`

The package level-json was found to contain malicious code.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/934165475d54679a7cd445f025bb8c97422cc949/osv/malicious/npm/level-json/MAL-2025-25199.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/934165475d54679a7cd445f025bb8c97422cc949/osv/malicious/npm/level-json/MAL-2025-25199.json
- https://github.com/advisories/GHSA-q99x-vcqm-87v5

Compromised versions (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.