Vendor
HackerOne
15 known vulnerabilities in products by HackerOne, 0 of them actively exploited (CISA KEV).
Key figures
15
Vulnerabilities
0
Actively exploited (KEV)
0
Used by ransomware
1
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| High | CVE-2020-36048 | Socket Engine.IO: Denial of Service | 7.5 | |
| High | CVE-2022-21676 | Uncaught Exception in engine.io | 7.5 | |
| Critical | CVE-2022-2421 | Socket.io - Improper type validation in attachment parsing | 10.0 | |
| High | CVE-2020-36049 | Socket Socket.io-parser: Denial of Service | 7.5 | |
| High | CVE-2022-41940 | Uncaught exception in engine.io | 7.1 | |
| High | CVE-2017-16031 | HackerOne socket.io node module: security vulnerability | 7.5 | |
| High | CVE-2022-25867 | NULL Pointer Dereference | 7.5 | |
| High | CVE-2026-59725 | Socket.IO: Engine.IO Polling Transport Connection Exhaustion | 7.5 | |
| High | CVE-2026-59724 | Socket.IO: Engine.IO WebTransport SID DoS | 7.5 | |
| Medium | CVE-2023-31125 | Uncaught exception in engine.io | 6.5 | |
| High | CVE-2026-33151 | socket.io allows an unbounded number of binary attachments | 7.5 | |
| High | CVE-2023-32695 | Insufficient validation when decoding a Socket.IO packet | 7.3 | |
| High | CVE-2026-90651 | Socket Firewall: Improper Certificate Validation | 8.1 | |
| Medium | CVE-2016-10536 | HackerOne engine.io-client node module: Channel Accessible by Non-Endpoint | 5.9 | |
| Medium | CVE-2020-28481 | Insecure Defaults | 5.3 |
Products
| Socket Engine.IO | 6 | 0 |
| Socket.io-Parser | 4 | 0 |