{"cve":"CVE-2023-34246","nvd":{"published":"2023-06-12T17:15:09.967","modified":"2026-06-17T06:03:12.910","status":"Modified","description":"Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape. Prior to version 5.6.6, Doorkeeper automatically processes authorization requests without user consent for public clients that have been previous approved. Public clients are inherently vulnerable to impersonation, their identity cannot be assured. This issue is fixed in version 5.6.6.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":6.5},"cwes":["CWE-287"],"references":["https://github.com/doorkeeper-gem/doorkeeper/issues/1589","https://github.com/doorkeeper-gem/doorkeeper/pull/1646","https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v5.6.6","https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-7w2c-w47h-789w","https://lists.debian.org/debian-lts-announce/2023/07/msg00016.html"],"products":["doorkeeper_project:doorkeeper"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2023-34246","score":0.00716,"percentile":0.53798,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7w2c-w47h-789w","url":"https://osv.dev/vulnerability/GHSA-7w2c-w47h-789w","summary":"Doorkeeper Improper Authentication vulnerability","modified":"2026-09-10T03:50:02.187700390Z","packages":[{"ecosystem":"RubyGems","name":"doorkeeper","purl":"pkg:gem/doorkeeper","ranges":["<5.6.6"],"fixed":["5.6.6"]}]}],"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."]}