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4 vulnerabilities found for engine.io by socketio
CVE-2026-59725 (GCVE-0-2026-59725)
Vulnerability from cvelistv5
Published
2026-07-08 15:37
Modified
2026-10-14 18:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-404 - Improper Resource Shutdown or Release
Summary
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 properly close the HTTP response for invalid binary POST requests with Content-Type: application/octet-stream, allowing an unauthenticated attacker to exhaust server-side connections and sockets. This issue is fixed in version 6.6.7.
References
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CVE-2023-31125 (GCVE-0-2023-31125)
Vulnerability from cvelistv5
Published
2023-05-08 20:21
Modified
2025-02-13 16:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-248 - Uncaught Exception
Summary
Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. An uncaught exception vulnerability was introduced in version 5.1.0 and included in version 4.1.0 of the `socket.io` parent package. Older versions are not impacted. A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process. This impacts all the users of the `engine.io` package, including those who use depending packages like `socket.io`. This issue was fixed in version 6.4.2 of Engine.IO. There is no known workaround except upgrading to a safe version.
References
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CVE-2022-41940 (GCVE-0-2022-41940)
Vulnerability from cvelistv5
Published
2022-11-22 00:00
Modified
2025-04-22 16:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-248 - Uncaught Exception
Summary
Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process. This impacts all the users of the engine.io package, including those who uses depending packages like socket.io. There is no known workaround except upgrading to a safe version. There are patches for this issue released in versions 3.6.1 and 6.2.1.
References
Impacted products
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CVE-2022-21676 (GCVE-0-2022-21676)
Vulnerability from cvelistv5
Published
2022-01-12 18:25
Modified
2025-04-23 19:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process. This impacts all the users of the `engine.io` package starting from version `4.0.0`, including those who uses depending packages like `socket.io`. Versions prior to `4.0.0` are not impacted. A fix has been released for each major branch, namely `4.1.2` for the `4.x.x` branch, `5.2.1` for the `5.x.x` branch, and `6.1.1` for the `6.x.x` branch. There is no known workaround except upgrading to a safe version.
References
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