{"id":"CVE-2015-9284","aliases":["GHSA-ww4x-rwq6-qpgf"],"url":"https://o3.security/vulnerability/CVE-2015-9284","summary":"OmniAuth Ruby gem Cross-site Request Forgery in request phase","details":"The request phase of the OmniAuth Ruby gem (1.9.1 and earlier) is vulnerable to Cross-Site Request Forgery when used as part of the Ruby on Rails framework, allowing accounts to be connected without user intent, user interaction, or feedback to the user. This permits a secondary account to be able to sign into the web application as the primary account.","published":"2019-04-26T15:29:00Z","modified":"2026-04-10T03:45:38.261467Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"omniauth","fixedVersion":"2.0.0"}],"fix":{"url":"https://github.com/omniauth/omniauth/pull/809","label":"omniauth/omniauth#809"},"references":[{"type":"ADVISORY","url":"https://github.com/omniauth/omniauth-rails/pull/1"},{"type":"ADVISORY","url":"https://github.com/omniauth/omniauth/pull/809"},{"type":"ADVISORY","url":"https://github.com/omniauth/omniauth/wiki/Resolving-CVE-2015-9284"},{"type":"ADVISORY","url":"https://www.openwall.com/lists/oss-security/2015/05/26/11"},{"type":"ARTICLE","url":"https://www.openwall.com/lists/oss-security/2015/05/26/11"},{"type":"FIX","url":"https://github.com/omniauth/omniauth/pull/809"},{"type":"FIX","url":"https://www.openwall.com/lists/oss-security/2015/05/26/11"},{"type":"WEB","url":"https://github.com/omniauth/omniauth/wiki/Resolving-CVE-2015-9284"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:45:38.261467Z"}}