Versions of `lodash` before 4.17.12 are vulnerable to Prototype Pollution. The function `defaultsDeep` allows a malicious user to modify the prototype of `Object` via `{constructor: {prototype: {...}}}` causing the addition or modification of an existing property that will exist on all objects.

1.  

   1. Recommendation

Update to version 4.17.12 or later.

Repository: OpenNMS/opennms-compass (https://github.com/OpenNMS/opennms-compass)
Dependabot: https://github.com/OpenNMS/opennms-compass/security/dependabot/2
CVE: CVE-2019-10744
CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
GHSA: GHSA-jf85-cpcp-j695
Severity: critical
Ecosystem: npm
Package Name: lodash.merge
Vulnerable Version Range: < 4.6.2
First Patched Version: 4.6.2