{"action":"Upgrade rack to 2.2.22 or later.","affected":[{"fixed":"2.2.22","introduced":"0"},{"fixed":"3.1.20","introduced":"3.0.0.beta1"},{"fixed":"3.2.5","introduced":"3.2.0"}],"component":"rack","cve_ids":["CVE-2026-22860"],"ecosystem":"RubyGems","epss":0.00763,"exploited":false,"fixed_versions":["2.2.22","3.1.20","3.2.5"],"ghsa_id":"GHSA-mxw3-3hh2-x2mh","id":"tcs_01M5KEMCPB11CWV5R8DNCP6M6A","modified_at":"2026-09-10T03:50:35.448280027Z","published_at":"2026-02-17T16:14:11Z","references":["https://osv.dev/vulnerability/GHSA-mxw3-3hh2-x2mh","https://github.com/rack/rack/security/advisories/GHSA-mxw3-3hh2-x2mh","https://nvd.nist.gov/vuln/detail/CVE-2026-22860","https://github.com/rack/rack/commit/75c5745c286637a8f049a33790c71237762069e7","https://github.com/rack/rack","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2026-22860.yml"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-mxw3-3hh2-x2mh","url":"https://osv.dev/vulnerability/GHSA-mxw3-3hh2-x2mh"}],"summary":"Rack has a Directory Traversal via Rack:Directory"}