A user with the appropriate authorization can create any number of user accounts via an API endpoint using a POST request. There are no quotas, checking mechanisms or restrictions to limit the creation.
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0010.pdf
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0010.json
https://www.first.org/cvss/calculator/3.1
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices