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MEDIUM

CVE-2018-16487

CVSS v3

5.6

MEDIUM

EPSS Score

1.5 %

exploit probability, as of 2026-10-17

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • lodashnpmall versions · fixed in 4.17.11
  • lodash-railsRubyGemsall versions · fixed in 4.17.11

Vendor advisories

  • CVE-2018-16487 Red Hat Product Security23 known affected

    lodash: Prototype pollution in utilities function

    openshift-logging/kibana6-rhel8 as a component of Logging Subsystem for Red Hat OpenShift · nodejs-lodash.src as a component of Red Hat Mobile Application Platform 4 · nodejs-lodash as a component of Red Hat OpenShift Container Platform 3.10

Full record on NVD

Description

A prototype pollution vulnerability was found in lodash <4.17.11 where the functions merge, mergeWith, and defaultsDeep can be tricked into adding or modifying properties of Object.prototype.

Technical details

Published
2019-02-01

Frequently asked questions

What is CVE-2018-16487?

A prototype pollution vulnerability was found in lodash <4.17.11 where the functions merge, mergeWith, and defaultsDeep can be tricked into adding or modifying properties of Object.prototype.

Is CVE-2018-16487 actively exploited?

Active exploitation of CVE-2018-16487 has not been confirmed. Its EPSS score was 1.5% on 2026-10-17, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-16487?

CVE-2018-16487 has a CVSS v3 base score of 5.6 (MEDIUM severity).

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