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CVE-2019-10746

32
FAUCET Score

CVE-2019-10746 is a critical prototype pollution vulnerability affecting the mixin-deep library (versions before 1.3.2 and version 2.0.0), which could allow an attacker to modify or add properties to Object.prototype. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.2CPE matchmatch criteria
cpe:2.3:a:mixin-deep_project:mixin-deep:*:*:*:*:*:node.js:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:mixin-deep_project:mixin-deep:2.0.0:*:*:*:*:node.js:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
1.4.0CPE matchmatch criteria
cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.51%
Probability of exploitation in next 30 days
EPSS Percentile
88.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0351 is in the 80th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (14)

npmpatch availablevia ghsa
Product: mixin-deepFixed in: 1.3.2
npmpatch availablevia ghsa
Product: mixin-deepFixed in: 2.0.1
oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:12-8030020210129141730.229f0a1c
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs12-nodejs-0:12.20.1-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs12-nodejs-nodemon-0:2.0.3-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-nodejs12-nodejs-0:12.20.1-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-nodejs12-nodejs-nodemon-0:2.0.3-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-nodejs12-nodejs-0:12.20.1-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-nodejs12-nodejs-nodemon-0:2.0.3-1.el7
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:10/nodejs-nodemon
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: kibana
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: kibana
redhatvendor investigatingvia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-nodejs10-nodejs-nodemon

Vendor Advisories (2)

npmGHSA-fhjf-83wg-r2j9critical

Prototype Pollution in mixin-deep

Aug 27, 2019
redhatCVE-2019-10746Important

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

Jun 19, 2019

References

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/BFNIVG2XYFPZJY3DYYBJASZ7ZMKBMIJT
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/UXRA365KZCUNXMU3KDH5JN5BEPNIGUKC
snyk.io / vuln/SNYK-JS-MIXINDEEP-450212
ExploitThird Party Advisory
oracle.com / /security-alerts/cpujul2021.html
PatchThird Party Advisory