{"action":"Upgrade nokogiri to 1.19.4 or later.","affected":[{"fixed":"1.19.4","introduced":"0"}],"component":"nokogiri","cve_ids":["CVE-2026-57435"],"ecosystem":"RubyGems","epss":0.0046,"exploited":false,"fixed_versions":["1.19.4"],"ghsa_id":"GHSA-phwj-rprq-35pp","id":"tcs_01M5KEMKVZTP6G3HVKR0HR9KZG","modified_at":"2026-09-10T03:51:09.239115507Z","published_at":"2026-06-19T16:37:46Z","references":["https://osv.dev/vulnerability/GHSA-phwj-rprq-35pp","https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-phwj-rprq-35pp","https://github.com/sparklemotion/nokogiri"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-phwj-rprq-35pp","url":"https://osv.dev/vulnerability/GHSA-phwj-rprq-35pp"},{"source":"nvd","source_id":"CVE-2026-57435","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57435"}],"summary":"Nokogiri: Possible Use-After-Free when setting an attribute value via `Nokogiri::XML::Attr#value=` or `#content=`"}