{"id":"DEBIAN-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.","modified":"2026-09-21T07:03:27.099656207Z","published":"2019-03-21T16:01:17.280Z","upstream":["CVE-2019-9837"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2019-9837"}],"affected":[{"package":{"name":"ruby-doorkeeper-openid-connect","ecosystem":"Debian:12","purl":"pkg:deb/debian/ruby-doorkeeper-openid-connect?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-9837.json"}},{"package":{"name":"ruby-doorkeeper-openid-connect","ecosystem":"Debian:13","purl":"pkg:deb/debian/ruby-doorkeeper-openid-connect?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-9837.json"}},{"package":{"name":"ruby-doorkeeper-openid-connect","ecosystem":"Debian:14","purl":"pkg:deb/debian/ruby-doorkeeper-openid-connect?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-9837.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}