CVE-2026-29063

N/A

Description

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. This issue has been patched in versions 3.8.3, 4.3.7, and 5.1.5.

CVE Details

CVSS v3.1 ScoreN/A

Published3/6/2026

Last Modified3/9/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-1321

References

https://github.com/immutable-js/immutable-js/releases/tag/v3.8.3(security-advisories@github.com)

https://github.com/immutable-js/immutable-js/releases/tag/v4.3.8(security-advisories@github.com)

https://github.com/immutable-js/immutable-js/releases/tag/v5.1.5(security-advisories@github.com)

https://github.com/immutable-js/immutable-js/security/advisories/GHSA-wf6x-7x77-mvgw(security-advisories@github.com)

IOC Correlations

No correlations recorded

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