{"id":"CGA-4fx4-482m-pgxx","modified":"2026-08-21T09:45:29.938762815Z","published":"2026-08-05T03:18:08Z","upstream":["CVE-2026-54904","GHSA-h8w8-99g7-qmvj"],"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54904.json"},{"type":"ADVISORY","url":"https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-h8w8-99g7-qmvj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54904"},{"type":"WEB","url":"https://github.com/ruby-concurrency/concurrent-ruby/releases/tag/v1.3.7"},{"type":"ADVISORY","url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/concurrent-ruby/CVE-2026-54904.yml"},{"type":"FIX","url":"https://github.com/ruby-concurrency/concurrent-ruby/commit/6e37e0644b83b182971dc540d2e4bee38df61386"}],"affected":[{"package":{"name":"logstash-9.5-iamguarded-compat","ecosystem":"Chainguard","purl":"pkg:apk/chainguard/logstash-9.5-iamguarded-compat?arch=x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.5.2-r0"}]}],"ecosystem_specific":{"components":[{"latest_event_status":"fixed","latest_event_timestamp":"2026-08-21T06:39:38Z","component_name":"concurrent-ruby","component_version":"1.1.9","component_type":"gem","component_location":"/opt/iamguarded/logstash/vendor/bundle/jruby/3.4.0/specifications/concurrent-ruby-1.1.9.gemspec","component_purl":"pkg:gem/concurrent-ruby@1.1.9"}]},"database_specific":{"source":"https://advisories.cgr.dev/chainguard/v3/osv/CGA-4fx4-482m-pgxx.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}