MAL-2026-19234: Malicious code in @rclaude/darwin-arm64 (npm)
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Source: ghsa-malware (f91948fabd49378c8525b08dcf47aefe5bcaddf61e757600cf426aee0d9e58d0) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
npm/@rclaude/darwin-arm64from your environment.Remove the @rclaude/darwin-arm64 package.
- Operational
Rotate all secrets and keys stored on the affected computer immediately, using a different computer.
Event History
Frequently Asked Questions
Who should treat this as an incident?
Any computer where this package is installed or running should be considered fully compromised. This includes systems that may contain credentials, keys, or other secrets.
What should be done first?
Rotate all secrets and keys stored on the affected computer immediately, using a different computer. Treat credentials from the affected system as potentially exposed.
Is removing the package sufficient to remediate the issue?
No. The package should be removed, but removal does not guarantee that all malicious software installed as a result has been removed because an outside entity may have obtained full control of the computer.