Pivotal Concourse, all versions prior to 4.2.2, puts the user access token in a url during the login flow. A remote attacker who gains access to a user's browser history could obtain the access token and use it to authenticate as the user.
{ "versions": [ { "introduced": "0" }, { "fixed": "4.2.2" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-3803.json"