If you configured OAuth for your authentication system then you could use this plugin by julian
GitHub - julianlam/nodebb-plugin-sso-oauth: NodeBB Plugin that allows users to login/register via any configured OAuth provider.
NodeBB Plugin that allows users to login/register via any configured OAuth provider. - julianlam/nodebb-plugin-sso-oauth
GitHub (github.com)
Well to my knowledge that is 