{"id":"CVE-2019-9837","aliases":["DEBIAN-CVE-2019-9837","EUVD-2019-0393","GHSA-vv4c-g6q7-p3q7"],"status":"published","title":"Doorkeeper-openid_connect contains Open Redirect","description":"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.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01349,"percentile":0.71674,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601"],"published":"2019-03-15T23:00:00Z","modified":"2026-10-20T10:51:34Z","fixes":[{"ecosystem":"RubyGems","package":"doorkeeper-openid_connect","fixed_in":["1.5.4"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"ruby-doorkeeper-openid-connect","fixed_in":["1.5.5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ruby-doorkeeper-openid-connect","fixed_in":["1.5.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ruby-doorkeeper-openid-connect","fixed_in":["1.5.5-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"doorkeeper-openid_connect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.4.0"},{"fixed":"1.5.4"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"ruby-doorkeeper-openid-connect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.5-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ruby-doorkeeper-openid-connect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ruby-doorkeeper-openid-connect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.5-1"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"doorkeeper-openid_connect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.4.0"},{"fixed":"1.5.4"}]}],"versions":["1.4.0","1.5.0","1.5.1","1.5.2","1.5.3"]}],"products":[{"vendor":"openid","product":"openid_connect"}],"references":[{"url":"https://github.com/doorkeeper-gem/doorkeeper-openid_connect/pull/66","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/doorkeeper-gem/doorkeeper-openid_connect/issues/61","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9837","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vv4c-g6q7-p3q7"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-9837","tags":["advisory"]},{"url":"https://github.com/doorkeeper-gem/doorkeeper-openid_connect","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2019-9837","description":"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.","status":"published","published":"2019-03-15T23:00:00Z","modified":"2024-08-04T22:01:54.968Z","updated_at":"2026-11-02T14:20:20.081405Z"}],"euvd":[{"id":"EUVD-2019-0393","description":"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.","status":"published","published":"2019-03-15T23:00:00Z","modified":"2024-08-04T22:01:54Z","updated_at":"2026-11-03T03:06:37.634716Z"}],"ghsa":[{"id":"GHSA-vv4c-g6q7-p3q7","title":"Doorkeeper-openid_connect contains Open Redirect","description":"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.","status":"published","published":"2019-03-25T16:15:54Z","modified":"2023-03-13T23:56:33Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:36:48.041653Z"}],"nvd":[{"id":"CVE-2019-9837","description":"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.","status":"published","published":"2019-03-21T16:01:17.28Z","modified":"2026-06-17T02:44:41.64Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:05:09.523883Z"}],"osv":[{"id":"CVE-2019-9837","description":"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.","status":"published","published":"2019-03-21T16:01:17.28Z","modified":"2026-10-20T10:51:34.766462017Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:13.492058Z"},{"id":"DEBIAN-CVE-2019-9837","description":"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.","status":"published","published":"2019-03-21T16:01:17.28Z","modified":"2026-09-21T07:03:27.099656207Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:32.57265Z"},{"id":"GHSA-vv4c-g6q7-p3q7","title":"Doorkeeper-openid_connect contains Open Redirect","description":"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.","status":"published","published":"2019-03-25T16:15:54Z","modified":"2023-11-08T04:01:47.891295Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:57.694388Z"}]}}