{"cve":"CVE-2016-6582","nvd":{"published":"2017-01-23T21:59:02.110","modified":"2026-06-17T00:51:24.373","status":"Modified","description":"The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay attacks or revoke arbitrary tokens by leveraging failure to implement the OAuth 2.0 Token Revocation specification.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","score":9.1},"cwes":["CWE-254"],"references":["http://packetstormsecurity.com/files/138430/Doorkeeper-4.1.0-Token-Revocation.html","http://seclists.org/fulldisclosure/2016/Aug/105","http://www.securityfocus.com/archive/1/539268/100/0/threaded","http://www.securityfocus.com/bid/92551","https://github.com/doorkeeper-gem/doorkeeper/issues/875"],"products":["doorkeeper_project:doorkeeper"],"source":"nvd","synced_at":"2026-10-19T20:41:25.729257544+00:00"},"epss":{"cve":"CVE-2016-6582","score":0.04814,"percentile":0.91969,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3m6r-39p3-jq25","url":"https://osv.dev/vulnerability/GHSA-3m6r-39p3-jq25","summary":"Doorkeeper is vulnerable to replay attacks","modified":"2024-02-16T08:07:34.056523Z","packages":[{"ecosystem":"RubyGems","name":"doorkeeper","purl":"pkg:gem/doorkeeper","ranges":["<4.2.0"],"fixed":["4.2.0"]}]}],"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."]}