CVE-2019-10747: Set-Value Project Set-Value

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

set-value is vulnerable to Prototype Pollution in versions lower than 3.0.1. The function mixin-deep could be tricked into adding or modifying properties of Object.prototype using any of the constructor, prototype and _proto_ payloads.

Affected products

• Set-Value Project Set-Value: before 2.0.1 (fixed in 2.0.1); from 3.0.0, before 3.0.1 (fixed in 3.0.1)

Published 2019-08-23. Last modified 2026-06-17.