Vulnerability Database · npm · just-extend · Version
just-extend 1.1.26
1.1.26 is affected by 1 vulnerability.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 6.2.0.
Critical 1 High 0 Medium 0 Low 0 Unrated 0
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Released 22 Oct 2017
Licence MIT
Also known from other sources 1
Newer releases 38
Database updated 23/Oct/2026
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01 Vulnerabilities affecting this version
just-extend 1.1.26 vulnerabilities
1 vulnerability cover just-extend 1.1.26. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2018-16489: Prototype Pollution in just-extend | 9.8 critical | 4.0.0 | 07 Feb 2019 |
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Questions
About just-extend 1.1.26
Is just-extend 1.1.26 vulnerable?
Yes. 1 vulnerability in the Vulert database cover just-extend 1.1.26: 1 critical, 0 high, 0 medium and 0 low. The upgrade Vulert recommends is 6.2.0, and each entry above names the fixed version to move to.
Which version of just-extend should I use instead of 1.1.26?
6.2.0 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 1.1.26 the latest release of just-extend?
No. 1.1.26 was published 22 Oct 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 just-extend for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the just-extend version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.