{"cve":"CVE-2020-10187","nvd":{"published":"2020-05-04T14:15:13.013","modified":"2026-06-17T02:47:27.633","status":"Modified","description":"Doorkeeper version 5.0.0 and later contains an information disclosure vulnerability that allows an attacker to retrieve the client secret only intended for the OAuth application owner. After authorizing the application and allowing access, the attacker simply needs to request the list of their authorized applications in a JSON format (usually GET /oauth/authorized_applications.json). An application is vulnerable if the authorized applications controller is enabled.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-862"],"references":["https://github.com/doorkeeper-gem/doorkeeper/commit/25d038022c2fcad45af5b73f9d003cf38ff491f6","https://github.com/doorkeeper-gem/doorkeeper/releases","https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-j7vx-8mqj-cqp9","https://github.com/rubysec/ruby-advisory-db/pull/446","https://github.com/doorkeeper-gem/doorkeeper/commit/25d038022c2fcad45af5b73f9d003cf38ff491f6"],"products":["doorkeeper_project:doorkeeper"],"source":"nvd","synced_at":"2026-10-19T21:04:18.695612450+00:00"},"epss":{"cve":"CVE-2020-10187","score":0.01782,"percentile":0.78274,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j7vx-8mqj-cqp9","url":"https://osv.dev/vulnerability/GHSA-j7vx-8mqj-cqp9","summary":"Exposure of Sensitive Information to an Unauthorized Actor in Doorkeeper","modified":"2026-09-10T03:48:45.853099273Z","packages":[{"ecosystem":"RubyGems","name":"doorkeeper","purl":"pkg:gem/doorkeeper","ranges":[">=5.0.0 <5.0.3"],"fixed":["5.0.3"]},{"ecosystem":"RubyGems","name":"doorkeeper","purl":"pkg:gem/doorkeeper","ranges":[">=5.1.0 <5.1.1"],"fixed":["5.1.1"]},{"ecosystem":"RubyGems","name":"doorkeeper","purl":"pkg:gem/doorkeeper","ranges":[">=5.2.0 <5.2.5"],"fixed":["5.2.5"]},{"ecosystem":"RubyGems","name":"doorkeeper","purl":"pkg:gem/doorkeeper","ranges":[">=5.3.0 <5.3.2"],"fixed":["5.3.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}