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Vulnerability record · CVE-2018-16487 · published 1 February 2019

CVE-2018-16487: Lodash uncontrolled resource consumption vulnerability

Lodash · Lodash

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.

5.6 CVSS 3.1 Medium EPSS 1.5% · top 25.5% CWE-400 · Uncontrolled resource consumption
5.6CVSS 3.1 base score, v2 6.8
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by 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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://hackerone.com/reports/380873 ExploitIssue TrackingThird Party Advisory
https://security.netapp.com/advisory/ntap-20190919-0004/ Third Party Advisory
https://hackerone.com/reports/380873 ExploitIssue TrackingThird Party Advisory
https://security.netapp.com/advisory/ntap-20190919-0004/ Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-4800Lodash code injection vulnerabilityThe fix for CVE-2021-23337 added validation for the variable option in _.template but did not apply the same validation to options.imports key names,…EPSS 2.8%9.1CVE-2019-10744Lodash prototype pollution vulnerabilityVersions of lodash lower than 4.17.12 are vulnerable to Prototype Pollution. The function defaultsDeep could be tricked into adding or modifying prop…EPSS 5.0%7.4CVE-2020-8203Lodash allocation without limits vulnerabilityPrototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.EPSS 5.2%7.2CVE-2021-23337Lodash code injection vulnerabilityLodash versions prior to 4.17.21 are vulnerable to Command Injection via the template function.EPSS 20%6.9CVE-2025-13465Lodash prototype pollution vulnerabilityThe _.unset and _.omit functions in Lodash are vulnerable to prototype pollution. An attacker can pass crafted paths which cause Lodash to delete met…EPSS 1.8%6.5CVE-2019-1010266Lodash uncontrolled resource consumption vulnerabilitylodash prior to 4.17.11 is affected by: CWE-400: Uncontrolled Resource Consumption. The impact is: Denial of service. The component is: Date handler.…EPSS 3.0%6.5CVE-2018-3721Lodash prototype pollution vulnerabilitylodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith fu…EPSS 2.3%5.3CVE-2026-2950Lodash prototype pollution vulnerabilityThe _.unset and _.omit functions in Lodash are vulnerable to prototype pollution. The fix for CVE-2025-13465 only guards against string key members, …EPSS 0.34%

Source: NIST National Vulnerability Database (record CVE-2018-16487), CISA KEV, FIRST EPSS (scores of 2026-11-13). This page is refreshed as NVD updates the record.