CVE-2026-59725 | High | 7.5 | 2026-07-08 | Socket.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-2026-59724 | High | 7.5 | 2026-07-08 | Socket.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-2026-33151 | High | 7.5 | 2026-03-20 | Socket.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-2023-32695 | High | 7.3 | 2023-05-27 | socket.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-2023-31125 | Medium | 6.5 | 2023-05-08 | Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. An uncaught exception vulnerabi… |
CVE-2022-41940 | High | 7.1 | 2022-11-22 | Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP reques… |
CVE-2022-2421 | Critical | 10.0 | 2022-10-26 | Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to… |
CVE-2022-25867 | High | 7.5 | 2022-08-02 | The package io.socket:socket.io-client before 2.0.1 are vulnerable to NULL Pointer Dereference when parsing a packet with with invalid payload format. |
CVE-2022-21676 | High | 7.5 | 2022-01-12 | Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP reques… |
CVE-2020-28481 | Medium | 5.3 | 2021-01-19 | The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default. |
CVE-2020-36049 | High | 7.5 | 2021-01-08 | socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used. |
CVE-2020-36048 | High | 7.5 | 2021-01-08 | Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport. |
CVE-2017-16031 | High | 7.5 | 2018-06-04 | Socket.io is a realtime application framework that provides communication via websockets. Because socket.io 0.9.6 and earlier depends on `Math.random()` to cre… |
CVE-2016-10536 | Medium | 5.9 | 2018-05-31 | engine.io-client is the client for engine.io, the implementation of a transport-based cross-browser/cross-device bi-directional communication layer for Socket… |