If this package is installed
Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.
Details
Source: amazon-inspector (b2f0675d4a2717361ec79b2c5a5cbf0ff0367e8d9cbf991f2f300df6c6b819ec)
Analysis of @joyfill/layouts@0.1.2-2773.beta.0 surfaced no a static rule matches and no traced code paths indicating exfiltration, install-time remote code execution, silent relay, credential distribution, backdoor, or self-propagation behavior. The package's shipped contents show no lifecycle-script droppers, no hardcoded attacker endpoints, no reads of installer secret paths, and no obfuscated payloads.
Source: ghsa-malware (48d31efc1aa4ad0afbb16e357a08eb80ab4c39bca8dab1723ead698363e0edc2)
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.