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npm · Malicious package advisory

Malware

hardhat-common

GHSA-9x7x-4gq4-qg45

Malicious code in hardhat-common (npm)

Details

**Severity:** Critical

**Affected versions:** `= 2.0.0`

## Source: ossf-package-analysis (b72f90917aaff5b42d639bff4d28227b0cd2105ce4d2b109577a76b9d7003ecc)
The OpenSSF Package Analysis project identified 'hardhat-common' @ 2.0.0 (npm) as malicious.

It is considered malicious because:

- The package executes one or more commands associated with malicious behavior.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/05b419acdcdd6e02782971da765f32a22a1aed8e/osv/malicious/npm/hardhat-common/MAL-2026-3712.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/05b419acdcdd6e02782971da765f32a22a1aed8e/osv/malicious/npm/hardhat-common/MAL-2026-3712.json
- https://github.com/advisories/GHSA-9x7x-4gq4-qg45

Compromised versions (1)

  • = 2.0.0

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