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CRITICAL

CVE-2019-10746

CVSS v3

9.8

CRITICAL

EPSS Score

3.7 %

exploit probability, as of 2026-10-19

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

  • mixin-deepnpmfrom 2.0.0 · fixed in 2.0.1
  • nodejs-nodemonAlmaLinux:8all versions · fixed in 2.0.3-1.module_el8.4.0+2521+c668cc9f
  • nodejs-packagingAlmaLinux:8all versions · fixed in 17-3.module_el8.3.0+2023+d2377ea3

Vendor advisories

  • CVE-2019-10746 Red Hat Product Security86 products fixed · 7 known affected

    nodejs-mixin-deep: prototype pollution in function mixin-deep

    nodejs-nodemon.src (nodejs:10) as a component of Red Hat Enterprise Linux 8 · nodejs-nodemon (nodejs:10) as a component of Red Hat Enterprise Linux 8 · kibana as a component of Red Hat OpenShift Container Platform 3.11

  • RHSA-2021:0549 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: nodejs:12 security update

  • RHSA-2021:0485 Red Hat Product Security56 products fixed

    Red Hat Security Advisory: rh-nodejs12-nodejs security update

Full record on NVD

Description

mixin-deep is vulnerable to Prototype Pollution in versions before 1.3.2 and version 2.0.0. The function mixin-deep could be tricked into adding or modifying properties of Object.prototype using a constructor payload.

Technical details

Published
2019-08-23

Frequently asked questions

What is CVE-2019-10746?

mixin-deep is vulnerable to Prototype Pollution in versions before 1.3.2 and version 2.0.0. The function mixin-deep could be tricked into adding or modifying properties of Object.prototype using a constructor payload.

Is CVE-2019-10746 actively exploited?

Active exploitation of CVE-2019-10746 has not been confirmed. Its EPSS score was 3.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-10746?

CVE-2019-10746 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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