immutable
npm3 known CVEs affecting this package
Aggregated from OSV, GitHub Security Advisories, NVD, and vendor advisories. Each CVE links to its full detail page with vendor advisories, patches, fixed versions, and remediation guidance.
CVEs affecting immutablepage 1 of 1
- CVE-2026-29063CRITICALCVSS 9.8EG 9.8✓ Fixed in 3.8.32026-03-06
Immutable.js provides many Persistent Immutable data structures. Prior to versions 3.8.3, 4.3.7, and 5.1.5, Prototype Pollution is possible in immutable via the mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject() APIs. Th…
- CVE-2026-59879HIGHCVSS 7.5EG 7.5✓ Fixed in 5.1.82026-07-08
Immutable.js provides many Persistent Immutable data structures. Prior to 4.3.9 and 5.1.8, List#set, List#setSize, List#setIn, List#updateIn, and the functional set, setIn, and updateIn mishandle an index or size in the range 2 ** 30 to 2 …
- CVE-2026-59880HIGHCVSS 7.5EG 7.5✓ Fixed in 5.1.82026-07-08
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…
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