Vulnerability in Immutable-js

CVE-2026-59880

Immutable.js provides many Persistent Immutable data structures. Prior to 4.3.9 and 5.1.8, Immutable.Map and Immutable.Set keep keys that share the same 32-bit hash in a HashCollisionNode collision bucket that is scanned linearly, allowing…

Affected products

Weakness classification (CWE)

References