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Package details: pkg:npm/immutable@4.3.1
purl pkg:npm/immutable@4.3.1
Next non-vulnerable version 4.3.8
Latest non-vulnerable version 5.1.5
Risk 4.4
Vulnerabilities affecting this package (1)
Vulnerability Summary Fixed by
VCID-ev32-mahc-5ufa
Aliases:
CVE-2026-29063
GHSA-wf6x-7x77-mvgw
Immutable is vulnerable to Prototype Pollution _What kind of vulnerability is it? Who is impacted?_ A Prototype Pollution is possible in immutable via the mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject() APIs.
4.3.8
Affected by 0 other vulnerabilities.
5.1.5
Affected by 0 other vulnerabilities.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2026-06-06T07:13:06.808111+00:00 GitLab Importer Affected by VCID-ev32-mahc-5ufa https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/immutable/CVE-2026-29063.yml 38.6.0