@fastify/websocket (npm) has 1 known vulnerability, the worst rated HIGH. Upgrade to 5.0.1 or later to clear it. No malicious-package signal is recorded.
Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.
CVSS v3.1 base score out of 10
chance of exploitation in 30 days, 59th percentile of all CVEs
CyberXYZ composite out of 10
fig. 01 — GHSA-4pcg-wr6c-h9cq, the advisory selected below
Any application using @fastify/websocket could crash if a specific, malformed packet is sent.
Full advisory text at GitHub advisory or NVD.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for @fastify/websocket (npm), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Yes. CyberXYZ records 1 known vulnerability for @fastify/websocket (npm), the worst rated HIGH. They are GHSA-4pcg-wr6c-h9cq.
5.0.1 or later clears every advisory recorded for @fastify/websocket (npm). Check the release you pick before installing it.
Search @fastify/websocket in CyberXYZ Check at https://cyberxyz.io/check?q=%40fastify%2Fwebsocket. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 10:43 UTC. The most recent advisory here was published 2022-11-07. Updated continuously from NVD, GHSA, OSV and CNA feeds.