{"api_version":"1","generated_at":"2026-07-13T03:53:05+00:00","cve":"CVE-2026-48930","urls":{"html":"https://cve.report/CVE-2026-48930","api":"https://cve.report/api/cve/CVE-2026-48930.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-48930","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-48930"},"summary":{"title":"CVE-2026-48930","description":"A flaw in Node.js TLS hostname handling can cause Embedded-nul hostnames can lead to silent authority rebinding due to c-string truncation in resolver bindings.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.","state":"PUBLISHED","assigner":"hackerone","published_at":"2026-06-26 02:16:52","updated_at":"2026-06-26 20:19:14"},"problem_types":["CWE-284","CWE-284 CWE-284 Improper Access Control - Generic"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"9.8","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.0","source":"support@hackerone.com","type":"Secondary","score":"5.6","severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","data":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","baseScore":5.6,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"}},{"version":"3.0","source":"CNA","type":"DECLARED","score":"5.6","severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","data":{"baseScore":5.6,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.0"}}],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/june-2026-security-releases","name":"https://nodejs.org/en/blog/vulnerability/june-2026-security-releases","refsource":"support@hackerone.com","tags":["Patch","Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-48930","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48930","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"nodejs","product":"node","version":"affected 22.22.3 22.22.3 semver","platforms":[]},{"source":"CNA","vendor":"nodejs","product":"node","version":"affected 24.16.0 24.16.0 semver","platforms":[]},{"source":"CNA","vendor":"nodejs","product":"node","version":"affected 26.3.0 26.3.0 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"48930","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nodejs","cpe5":"node.js","cpe6":"22.22.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"48930","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nodejs","cpe5":"node.js","cpe6":"24.16.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"48930","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nodejs","cpe5":"node.js","cpe6":"26.3.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"48930","cve":"CVE-2026-48930","epss":"0.003800000","percentile":"0.298760000","score_date":"2026-06-29","updated_at":"2026-06-30 00:06:52"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-48930","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-06-26T13:37:29.781800Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-06-26T13:37:46.190Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"node","vendor":"nodejs","versions":[{"lessThanOrEqual":"22.22.3","status":"affected","version":"22.22.3","versionType":"semver"},{"lessThanOrEqual":"24.16.0","status":"affected","version":"24.16.0","versionType":"semver"},{"lessThanOrEqual":"26.3.0","status":"affected","version":"26.3.0","versionType":"semver"}]}],"descriptions":[{"lang":"en","value":"A flaw in Node.js TLS hostname handling can cause Embedded-nul hostnames can lead to silent authority rebinding due to c-string truncation in resolver bindings.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**."}],"metrics":[{"cvssV3_0":{"baseScore":5.6,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","description":"CWE-284 Improper Access Control - Generic","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-26T01:14:37.006Z","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","shortName":"hackerone"},"references":[{"url":"https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"}]}},"cveMetadata":{"assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","assignerShortName":"hackerone","cveId":"CVE-2026-48930","datePublished":"2026-06-26T01:14:37.006Z","dateReserved":"2026-05-26T15:00:06.427Z","dateUpdated":"2026-06-26T13:37:46.190Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-26 02:16:52","lastModifiedDate":"2026-06-26 20:19:14","problem_types":["CWE-284","CWE-284 CWE-284 Improper Access Control - Generic"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV30":[{"source":"support@hackerone.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","baseScore":5.6,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":2.2,"impactScore":3.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-26T13:37:29.781800Z","id":"CVE-2026-48930","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nodejs:node.js:22.22.3:*:*:*:-:*:*:*","matchCriteriaId":"3C0C5080-5F99-4651-9855-2DE03C9070C5"},{"vulnerable":true,"criteria":"cpe:2.3:a:nodejs:node.js:24.16.0:*:*:*:-:*:*:*","matchCriteriaId":"3B912C84-1AA5-4D74-AB1A-64162C80A33B"},{"vulnerable":true,"criteria":"cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:*","matchCriteriaId":"8152ACE6-3CAF-4CA0-8B19-D4753811EB44"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"48930","Ordinal":"1","Title":"CVE-2026-48930","CVE":"CVE-2026-48930","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"48930","Ordinal":"1","NoteData":"A flaw in Node.js TLS hostname handling can cause Embedded-nul hostnames can lead to silent authority rebinding due to c-string truncation in resolver bindings.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.","Type":"Description","Title":"CVE-2026-48930"}]}}}