CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for sync-exec (npm), the worst rated MODERATE, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does sync-exec have known vulnerabilities?
Yes. CyberXYZ records 1 known vulnerability for sync-exec (npm), the worst rated MODERATE. They are GHSA-38h8-x697-gh8q.
How do I check sync-exec before installing?
Search sync-exec in CyberXYZ Check at https://cyberxyz.io/check?q=sync-exec. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 07:33 UTC. The most recent advisory here was published 2018-11-09. Updated continuously from NVD, GHSA, OSV and CNA feeds.