{"action":"Upgrade nokogiri to 1.19.4 or later.","affected":[{"fixed":"1.19.4","introduced":"0"}],"component":"nokogiri","cve_ids":["CVE-2026-57434"],"ecosystem":"RubyGems","epss":0.0046,"exploited":false,"fixed_versions":["1.19.4"],"ghsa_id":"GHSA-9cv2-cfxc-v4v2","id":"tcs_01M5KEJAMBFMFPJRZXD9FDKVJY","modified_at":"2026-09-10T03:50:49.239685503Z","published_at":"2026-06-19T16:36:23Z","references":["https://osv.dev/vulnerability/GHSA-9cv2-cfxc-v4v2","https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-9cv2-cfxc-v4v2","https://github.com/sparklemotion/nokogiri"],"severity":{"label":"low"},"sources":[{"source":"osv","source_id":"GHSA-9cv2-cfxc-v4v2","url":"https://osv.dev/vulnerability/GHSA-9cv2-cfxc-v4v2"}],"summary":"Nokogiri: Null Pointer Dereference calling methods on uninitialized wrapper classes"}