✅ Check your installed version
All known vulnerabilities
CRITICAL9.8CVE-2022-2421Insufficient validation when decoding a Socket.IO packet >= 4.0.0, < 4.0.5
HIGH7.5CVE-2026-33151socket.io allows an unbounded number of binary attachments from 0, < 3.3.5
from 0, < 3.3.2
HIGH7.3CVE-2023-32695Insufficient validation when decoding a Socket.IO packet >= 4.0.4, < 4.2.3