Immutable

1 CVEs product

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CVE-2026-29063 npm HIGH PATCH GHSA This Week

Immutable.js provides many Persistent Immutable data structures. versions up to 3.8.3 is affected by improperly controlled modification of object prototype attributes (prototype pollution).

Prototype Pollution Information Disclosure Immutable

NVD GitHub VulDB

CVSS 4.0

8.7

EPSS

0.1%

CVE-2026-29063 npm

EPSS 0% CVSS 8.7

HIGH PATCH This Week

Immutable.js provides many Persistent Immutable data structures. versions up to 3.8.3 is affected by improperly controlled modification of object prototype attributes (prototype pollution).

Prototype Pollution Information Disclosure Immutable

NVD GitHub VulDB