Magento Authorization Bypass Through User-Controlled Key Vulnerability - CVE-2019-7950

An access control bypass vulnerability exists in Magento 2.1 prior to 2.1.18 Magento 2.2 prior to 2.2.9 Magento 2.3 prior to 2.3.2. An unauthenticated user can bypass access controls via REST API calls to assign themselves to an arbitrary company thereby gaining read access to potentially confidental information.