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npm · Malicious package advisory

Malware

grep-emulate-cold-virtualize-file

GHSA-6g3x-f5j8-2j45

Malicious code in grep-emulate-cold-virtualize-file (npm)

Details

**Severity:** Critical

**Affected versions:** `> 0`

The package grep-emulate-cold-virtualize-file 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/05b419acdcdd6e02782971da765f32a22a1aed8e/osv/malicious/npm/grep-emulate-cold-virtualize-file/MAL-2025-21918.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/05b419acdcdd6e02782971da765f32a22a1aed8e/osv/malicious/npm/grep-emulate-cold-virtualize-file/MAL-2025-21918.json
- https://github.com/advisories/GHSA-6g3x-f5j8-2j45

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.