{"action":"Upgrade json to 2.15.2.1 or later.","affected":[{"fixed":"2.19.2","introduced":"2.18.0"},{"fixed":"2.17.1.2","introduced":"2.16.0"},{"fixed":"2.15.2.1","introduced":"2.14.0"}],"component":"json","cve_ids":["CVE-2026-33210"],"ecosystem":"RubyGems","epss":0.00892,"exploited":false,"fixed_versions":["2.19.2","2.17.1.2","2.15.2.1"],"ghsa_id":"GHSA-3m6g-2423-7cp3","id":"tcs_01M5KEGBABEWA1DESQP59184NC","modified_at":"2026-09-10T03:50:36.800078304Z","published_at":"2026-03-19T12:45:53Z","references":["https://osv.dev/vulnerability/GHSA-3m6g-2423-7cp3","https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3","https://nvd.nist.gov/vuln/detail/CVE-2026-33210","https://github.com/ruby/json","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json/CVE-2026-33210.yml"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-3m6g-2423-7cp3","url":"https://osv.dev/vulnerability/GHSA-3m6g-2423-7cp3"},{"source":"nvd","source_id":"CVE-2026-33210","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33210"}],"summary":"Ruby JSON has a format string injection vulnerability"}