Socket.io · weakness class
Input Validation and Logic
9 CVEs
Every dot is a CVE in what this vendor ships; the named ones are the most at risk.
Every one of the 9 is a mark on the map. Named now: 1 to 9, most at risk first.
- Uncaught Exception in engine.io
- Uncaught exception in engine.io
- Uncaught exception in engine.io
- Insufficient validation when decoding a Socket.IO packet
- Unhandled 'error' event in socket.io
- Socket.IO: Zero-attachment Memory Exhaustion
- Socket.IO: Engine.IO WebTransport SID DoS
- Socket.IO: Engine.IO Protocol Revision Mismatch DoS
- socket.io allows an unbounded number of binary attachments
exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it
Zoom in on the map and the dots under the middle of it are named where they are.
Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.