CVE-2018-3722

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

merge-deep node module before 3.0.1 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.

Metrics

CVSS 3.0 8.8/10CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-471

Affected software

No affected versions have been published.

Timeline

Published
Jun 7, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-3722: High severity, CVSS 8.8 | Vulnix