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.
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.oracle.com/security-alerts/cpujan2021.html
https://support.f5.com/csp/article/K47105354?utm_source=f5support&%3Butm_medium=RSS
https://snyk.io/vuln/SNYK-JS-LODASH-450202