CVE-2018-16487

FAUCET Score

CVE-2018-16487 describes a prototype pollution vulnerability in lodash versions prior to 4.17.11, specifically affecting the merge, mergeWith, and defaultsDeep functions. This medium-severity vulnerability (CVSS 5.6) allows an unauthenticated attacker to remotely manipulate Object.prototype properties with high attack complexity, potentially leading to limited impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 4.17.11CPE matchmatch criteria	cpe:2.3:a:lodash:lodash::::::node.js::*

CVSS Data

CVSS version used by this source: 3.1

5.6MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

Exploitability Score

2.2

Impact Score

3.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

1.55%

Probability of exploitation in next 30 days

EPSS Percentile

72.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-24

Model: v2026.06.15

This CVE's current EPSS score of 0.0155 is in the 48th percentile among its peer group of 19,953 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

npmpatch availablevia ghsa

Product: lodashFixed in: 4.17.11

rubygemspatch availablevia ghsa

Product: lodash-railsFixed in: 4.17.11