Socketio

6 CVEs across 3 Socketio products. Browse Socketio vulnerabilities, severities, and proof-of-concept exploits.

Socketio products with known CVEs

ProductCVEs
Socket.io5
Engine.io3
Socket.io-Parser1
Socketio CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-69185High7.52026-08-03Socket.IO enables bidirectional and low-latency communication for every platform. Prior to 4.2.7, 3.4.5, and 3.3.6, a specially crafted Socket.IO packet can ma…
CVE-2026-59725High7.52026-07-08Socket.IO enables bidirectional and low-latency communication for every platform. From 4.1.0 before 6.6.7, Engine.IO protocol v4 polling transport does not pro…
CVE-2026-59724High7.52026-07-08Socket.IO enables bidirectional and low-latency communication for every platform. From 6.5.0 before 6.6.7, Engine.IO servers with WebTransport enabled can reso…
CVE-2026-33151High7.52026-03-20Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. Prior to versions 3.3.5, 3.4.4, and 4.2.6, a specially crafted Soc…
CVE-2024-38355High7.32024-06-19Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. A specially crafted Socket.IO packet can trigger an uncaught excep…
CVE-2023-32695High7.32023-05-27socket.io parser is a socket.io encoder and decoder written in JavaScript complying with version 5 of socket.io-protocol. A specially crafted Socket.IO packet…
CVE-2023-31125Medium6.52023-05-08Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. An uncaught exception vulnerabi…
CVE-2022-41940High7.12022-11-22Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP reques…
CVE-2022-21676High7.52022-01-12Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP reques…