Vulnerability Database · npm · engine.io · Version
engine.io 3.1.0
3.1.0 is affected by 2 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 6.6.11.
Critical 0 High 1 Medium 1 Low 0 Unrated 0
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Released 27 Apr 2017
Licence MIT
Also known from other sources 2
Newer releases 161
Database updated 23/Oct/2026
Release and licence data published by the npm registry. Licence information is not legal advice.
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01 Vulnerabilities affecting this version
engine.io 3.1.0 vulnerabilities
2 vulnerabilities cover engine.io 3.1.0. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2020-36048: Resource exhaustion in engine.io | 7.5 high | 3.6.0 | 09 Feb 2022 |
| CVE-2022-41940: Uncaught exception in engine.io | 6.5 medium | 3.6.1 | 21 Nov 2022 |
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Questions
About engine.io 3.1.0
Is engine.io 3.1.0 vulnerable?
Yes. 2 vulnerabilities in the Vulert database cover engine.io 3.1.0: 0 critical, 1 high, 1 medium and 0 low. The upgrade Vulert recommends is 6.6.11, and each entry above names the fixed version to move to.
Which version of engine.io should I use instead of 3.1.0?
6.6.11 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.
Is 3.1.0 the latest release of engine.io?
No. 3.1.0 was published 27 Apr 2017, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor engine.io for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the engine.io version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.