{"action":"Upgrade bcrypt to 3.1.22 or later.","affected":[{"fixed":"3.1.22","introduced":"0"}],"component":"bcrypt","cve_ids":["CVE-2026-33306"],"ecosystem":"RubyGems","epss":0.00237,"exploited":false,"fixed_versions":["3.1.22"],"ghsa_id":"GHSA-f27w-vcwj-c954","id":"tcs_01M5KEJX406QWZVD20CTQANDEE","modified_at":"2026-03-25T21:48:59.466561Z","published_at":"2026-03-19T17:54:17Z","references":["https://osv.dev/vulnerability/GHSA-f27w-vcwj-c954","https://github.com/bcrypt-ruby/bcrypt-ruby/security/advisories/GHSA-f27w-vcwj-c954","https://nvd.nist.gov/vuln/detail/CVE-2026-33306","https://github.com/bcrypt-ruby/bcrypt-ruby/commit/831ce64cb0a9502130fa93a28bfd9527a5fa45c4","https://github.com/bcrypt-ruby/bcrypt-ruby","https://github.com/bcrypt-ruby/bcrypt-ruby/releases/tag/v3.1.22","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/bcrypt/CVE-2026-33306.yml"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-f27w-vcwj-c954","url":"https://osv.dev/vulnerability/GHSA-f27w-vcwj-c954"},{"source":"nvd","source_id":"CVE-2026-33306","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33306"}],"summary":"bcrypt-ruby has an Integer Overflow that Causes Zero Key-Strengthening Iterations at Cost=31 on JRuby"}