{"id":"CVE-2019-9837","details":"Doorkeeper::OpenidConnect (aka the OpenID Connect extension for Doorkeeper) 1.4.x and 1.5.x before 1.5.4 has an open redirect via the redirect_uri field in an OAuth authorization request (that results in an error response) with the 'openid' scope and a prompt=none value. This allows phishing attacks against the authorization flow.","aliases":["GHSA-vv4c-g6q7-p3q7"],"modified":"2026-07-08T19:02:57.670720Z","published":"2019-03-21T16:01:17.280Z","references":[{"type":"ADVISORY","url":"https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md"},{"type":"ADVISORY","url":"https://github.com/doorkeeper-gem/doorkeeper-openid_connect/issues/61"},{"type":"FIX","url":"https://github.com/doorkeeper-gem/doorkeeper-openid_connect/pull/66"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/doorkeeper-gem/doorkeeper-openid_connect","events":[{"introduced":"e513867198fdac2b6100511d21f8d0a8de7dac58"},{"fixed":"64b26fbedb88fe6e938b913cadfc54256e36d966"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:openid:openid_connect:*:*:*:*:*:doorkeeper:*:*","extracted_events":[{"introduced":"1.4.0"},{"fixed":"1.5.4"}]}}],"versions":["v1.5.3","v1.5.2","v1.5.1","v1.5.0","v1.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9837.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}