What’s Vulnerable › Vulnerabilities

CVE-2019-10746

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-08-23 · updated 2026-06-17
• Weakness: CWE-88

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.

Affected products

• Fedoraproject Fedora: 30, 31
• HackerOne mixin-deep node module: before 1.3.2; 2.0.0 — fixed in 1.3.2
• Oracle Communications Cloud Native Core Network Function Cloud Native Environment: 1.4.0

How to fix

Upgrade to a fixed version: HackerOne mixin-deep node module 1.3.2. Check the vendor advisory for mitigations.

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFNIVG2XYFPZJY3DYYBJASZ7ZMKBMIJT/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXRA365KZCUNXMU3KDH5JN5BEPNIGUKC/
• https://snyk.io/vuln/SNYK-JS-MIXINDEEP-450212
• https://www.oracle.com//security-alerts/cpujul2021.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFNIVG2XYFPZJY3DYYBJASZ7ZMKBMIJT/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXRA365KZCUNXMU3KDH5JN5BEPNIGUKC/
• https://snyk.io/vuln/SNYK-JS-MIXINDEEP-450212
• https://www.oracle.com//security-alerts/cpujul2021.html

Get alerted when CVE-2019-10746 or the next vulnerability affects your stack