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npm · Malicious package advisory

Malware

json-mapping-fetch

GHSA-gcp4-x8wh-2mx2

Malicious code in json-mapping-fetch (npm)

Details

**Severity:** Critical

**Affected versions:** `= 2.4.3`

## Source: amazon-inspector (45649188d792a4c0d12add7ece8a5f8bd1f35ea2478d963b75238249cc788de3)
The package json-mapping-fetch 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/ce5aebcf135d19fafa94c24995d7ad8fac9d024d/osv/malicious/npm/json-mapping-fetch/MAL-2026-2367.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/ce5aebcf135d19fafa94c24995d7ad8fac9d024d/osv/malicious/npm/json-mapping-fetch/MAL-2026-2367.json
- https://github.com/advisories/GHSA-gcp4-x8wh-2mx2

Compromised versions (1)

  • = 2.4.3

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