Vulnerability Database · npm · socket.io-parser · Version
socket.io-parser 4.0.1-rc2
4.0.1-rc2 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: 4.2.7.
Critical 1 High 1 Medium 0 Low 0 Unrated 0
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Released 15 Oct 2020
Licence MIT
Also known from other sources 3
Newer releases 61
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
socket.io-parser 4.0.1-rc2 vulnerabilities
2 vulnerabilities cover socket.io-parser 4.0.1-rc2. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2022-2421: Insufficient validation when decoding a Socket.IO packet in socket.io-parser | 9.8 critical | 4.0.5 | 26 Oct 2022 |
| CVE-2026-69185: Socket.IO Zero-Attachment Memory Exhaustion Vulnerability | 7.5 high | 4.2.7 | 03 Aug 2026 |
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Questions
About socket.io-parser 4.0.1-rc2
Is socket.io-parser 4.0.1-rc2 vulnerable?
Yes. 2 vulnerabilities in the Vulert database cover socket.io-parser 4.0.1-rc2: 1 critical, 1 high, 0 medium and 0 low. The upgrade Vulert recommends is 4.2.7, and each entry above names the fixed version to move to.
Which version of socket.io-parser should I use instead of 4.0.1-rc2?
4.2.7 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 4.0.1-rc2 the latest release of socket.io-parser?
No. 4.0.1-rc2 was published 15 Oct 2020, 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 socket.io-parser for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the socket.io-parser version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.