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Vulnerability record · CVE-2019-10744 · published 26 July 2019

CVE-2019-10744: Lodash prototype pollution vulnerability

Lodash · Lodash

Versions of lodash lower than 4.17.12 are vulnerable to Prototype Pollution. The function defaultsDeep could be tricked into adding or modifying properties of Object.prototype using a constructor payload.

9.1 CVSS 3.1 Critical EPSS 5.0% · top 8.1% CWE-1321 · Prototype pollution
9.1CVSS 3.1 base score, v2 6.4
5.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
21Affected product versions listed by NVD
12References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Versions of lodash lower than 4.17.12 are vulnerable to Prototype Pollution. The function defaultsDeep could be tricked into adding or modifying properties of Object.prototype using a constructor payload.

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

Affected products

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

References

LinkTags
https://access.redhat.com/errata/RHSA-2019:3024 Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0005/ Third Party Advisory
https://snyk.io/vuln/SNYK-JS-LODASH-450202 ExploitThird Party Advisory
https://support.f5.com/csp/article/K47105354?utm_source=f5support&amp%3Butm_medium=RSS Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html PatchThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:3024 Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0005/ Third Party Advisory
https://snyk.io/vuln/SNYK-JS-LODASH-450202 ExploitThird Party Advisory
https://support.f5.com/csp/article/K47105354?utm_source=f5support&amp%3Butm_medium=RSS Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html PatchThird Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2019-10744), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.