engine.io-client (npm) has 1 known vulnerability, the worst rated MODERATE. Upgrade to 1.6.9 or later to clear it. No malicious-package signal is recorded.
CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for engine.io-client (npm), the worst rated MODERATE, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does engine.io-client have known vulnerabilities?
Yes. CyberXYZ records 1 known vulnerability for engine.io-client (npm), the worst rated MODERATE. They are GHSA-4r4m-hjwj-43p8.
Which version of engine.io-client should I use?
1.6.9 or later clears every advisory recorded for engine.io-client (npm). Check the release you pick before installing it.
How do I check engine.io-client before installing?
Search engine.io-client in CyberXYZ Check at https://cyberxyz.io/check?q=engine.io-client. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 06:49 UTC. The most recent advisory here was published 2019-02-18. Updated continuously from NVD, GHSA, OSV and CNA feeds.