Read the Docs before 3.5.1 has an Open Redirect if certain user-defined redirects are used. This affects private instances of Read the Docs (in addition to the public readthedocs.org web sites).
{ "versions": [ { "introduced": "0" }, { "fixed": "3.5.1" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-13175.json"