{"id":"CVE-2026-57234","state":"PUBLISHED","title":"Nokogiri: XML::Schema on JRuby allows network requests when NONET is set, bypassing CVE-2020-26247","description":"Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, the NONET parse option, which Nokogiri turns on by default for Nokogiri::XML::Schema (see CVE-2020-26247), was not correctly enforced on the JRuby implementation. As a result, a schema parsed with default options could still cause external resources to be fetched over the network, potentially enabling SSRF or XXE attacks. This vulnerability is fixed in 1.19.4.","publishedAt":"2026-06-25T14:30:20.478Z","updatedAt":"2026-06-25T15:05:42.484Z","severity":{"score":2.6,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["sparklemotion nokogiri"],"affected":[{"vendor":"sparklemotion","product":"nokogiri","versions":[{"version":"< 1.19.4","status":"affected"}]}],"references":["https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-8678-w3jw-xfc2"],"weaknesses":["CWE-178","CWE-184","CWE-611"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/57xxx/CVE-2026-57234.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-57234","state":"PUBLISHED","datePublished":"2026-06-25T14:30:20.478Z","dateUpdated":"2026-06-25T15:05:42.484Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-24T02:21:33.812Z"},"containers":{"cna":{"title":"Nokogiri: XML::Schema on JRuby allows network requests when NONET is set, bypassing CVE-2020-26247","descriptions":[{"lang":"en","value":"Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, the NONET parse option, which Nokogiri turns on by default for Nokogiri::XML::Schema (see CVE-2020-26247), was not correctly enforced on the JRuby implementation. As a result, a schema parsed with default options could still cause external resources to be fetched over the network, potentially enabling SSRF or XXE attacks. This vulnerability is fixed in 1.19.4."}],"affected":[{"vendor":"sparklemotion","product":"nokogiri","versions":[{"version":"< 1.19.4","status":"affected"}]}],"references":[{"url":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-8678-w3jw-xfc2","name":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-8678-w3jw-xfc2","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":2.6,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-178","lang":"en","description":"CWE-178: Improper Handling of Case Sensitivity","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-184","lang":"en","description":"CWE-184: Incomplete List of Disallowed Inputs","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-611","lang":"en","description":"CWE-611: Improper Restriction of XML External Entity Reference","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-25T14:30:20.478Z"},"source":{"advisory":"GHSA-8678-w3jw-xfc2","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T15:05:35.927298Z","id":"CVE-2026-57234","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-25T15:05:42.484Z"}}]}}}