Provide references for CVE-2020-26250.
Where can I find more information about CVE-2020-26250?
References are available at: https://github.com/jupyterhub/oauthenticator/security/advisories/GHSA-384w-5v3f-q499, https://github.com/jupyterhub/oauthenticator/commit/a4aac191c16cf6281f3d346615aefa75702b02d7, https://github.com/jupyterhub/oauthenticator/blob/master/docs/source/changelog.md#0122---2020-11-30, https://jupyterhub.readthedocs.io/en/1.2.2/getting-started/authenticators-users-basics.html#add-or-remove-users-from-the-hub.