In SilverStripe through 4.6.0-rc1, GraphQL doesn't honour MFA (multi-factor authentication) when using basic authentication.
https://github.com/advisories/GHSA-mg2g-8pwj-r2j2
https://www.silverstripe.org/download/security-releases/cve-2020-26136
https://www.silverstripe.org/download/security-releases/