Vulnerability Database · npm · mqtt · Version
mqtt 4.3.1
No vulnerabilities in this database cover 4.3.1.
Every vulnerability Vulert holds for mqtt was tested against this version and none of them covers it. That is the good answer, not a guarantee — the package page shows which versions are affected.
Critical 0 High 0 Medium 0 Low 0 Unrated 0
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Released 24 Dec 2021
Licence MIT
Also known from other sources 0
Newer releases 220
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
mqtt 4.3.1 vulnerabilities
No vulnerability in the Vulert database covers mqtt 4.3.1. See the versions that are affected →
Looking for another version, or everything Vulert holds for mqtt?
Questions
About mqtt 4.3.1
Is mqtt 4.3.1 vulnerable?
No. No vulnerability in the Vulert database covers mqtt 4.3.1. Every vulnerability Vulert holds for mqtt was tested against this release and none of them covers it — the good answer, though not a guarantee, since new vulnerabilities are published for packages all the time.
Is 4.3.1 the latest release of mqtt?
No. 4.3.1 was published 24 Dec 2021, 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 mqtt for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the mqtt version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.