{"id":"CVE-2021-22885","aliases":["GHSA-hjg4-8q5f-x6fm"],"url":"https://o3.security/vulnerability/CVE-2021-22885","summary":"Action Pack contains Information Disclosure / Unintended Method Execution vulnerability","details":"A possible information disclosure / unintended method execution vulnerability in Action Pack >= 2.0.0 when using the `redirect_to` or `polymorphic_url`helper with untrusted user input.","published":"2021-05-27T12:15:07.797Z","modified":"2026-08-07T11:31:10.027845964Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"RubyGems","name":"actionpack","fixedVersion":"6.0.3.7"},{"ecosystem":"RubyGems","name":"actionpack","fixedVersion":"6.1.3.2"},{"ecosystem":"RubyGems","name":"actionpack","fixedVersion":"5.2.6"},{"ecosystem":"RubyGems","name":"actionpack","fixedVersion":"5.2.4.6"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210805-0009/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4929"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/1106652"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:10.027845964Z"}}