MalwarePublished 3 May 2026Updated 9 Nov 2026

internal-company-module-test-1337 (npm) · Malicious Code

Affects internal-company-module-test-1337Source GCVE Database

Malicious package : remove internal-company-module-test-1337 and rotate any secrets on hosts that installed it.

Data as of 9 Nov 2026, 03:37 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-3249

What to do

Remove internal-company-module-test-1337 from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.

Affected software

Product	Affected	Fixed in
npminternal-company-module-test-1337	Affected 99.99.9992 – 99.99.9996 4 affected builds	Fixed in–

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Description

The npm package 'internal-company-module-test-1337' versions 99.99.9992, 99.99.9994, 99.99.9995, and 99.99.9996 contains malicious code. It communicates with a domain linked to malicious activity and compromises any computer on which it is installed. Removal of the package does not guarantee full remediation as the system may already be fully compromised. Immediate rotation of all secrets and keys stored on the affected machine is strongly advised.

Impact

Any computer with the affected versions of this package installed or running is considered fully compromised. This implies that attackers may have gained full control over the system, potentially accessing all stored secrets and keys. The malicious communication with known malicious domains suggests active data leakage or remote control. The compromise is severe enough that simply uninstalling the package does not guarantee removal of all malicious artifacts.

Defensive guidance

Remove the 'internal-company-module-test-1337' package immediately from all affected systems. Rotate all secrets and keys stored on compromised machines from a separate, secure device to prevent further unauthorized access. Due to the high likelihood of full system compromise, consider rebuilding or thoroughly cleaning affected systems to ensure complete remediation.

Summary

The npm package 'internal-company-module-test-1337' at versions 99.99.9992, 99.99.9994, 99.99.9995, and 99.99.9996 has been identified as malicious by multiple sources including Amazon Inspector, GHSA malware reports, and the OpenSSF Package Analysis project. The package is known to communicate with domains associated with malicious activity, indicating potential data exfiltration or command and control behavior. Systems with this package installed should be considered fully compromised, necessitating immediate secret/key rotation and package removal. However, due to the extent of compromise, removal alone may not be sufficient to restore system integrity.

References

github.com/advisories/GHSA-c9wj-j3q9-23f2 (opens in a new tab)

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What to do

Affected software

Description

AI analysisMachine-generated, updated 9 Nov 2026, 03:37 UTC

Technical details

References

Community reviews