Provide references for CVE-2020-26938.
Where can I find more information about CVE-2020-26938?
References are available at: https://github.com/oauthjs/node-oauth2-server/issues/637, https://github.com/oauthjs/node-oauth2-server/blob/91d2cbe70a0eddc53d72def96864e2de0fd41703/lib/validator/is.js#L12, https://github.com/oauthjs/node-oauth2-server/blob/91d2cbe70a0eddc53d72def96864e2de0fd41703/lib/grant-types/authorization-code-grant-type.js#L143, https://tools.ietf.org/html/rfc3986#section-3, https://tools.ietf.org/html/rfc6749#section-3.1.2.