{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-48930","sourceIdentifier":"support@hackerone.com","published":"2026-06-26T02:16:52.723","lastModified":"2026-10-25T22:10:00.150","vulnStatus":"Analyzed","cveTags":[],"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**."},{"lang":"es","value":"Un fallo en el manejo de nombres de host TLS de Node.js puede causar que los nombres de host con nulo incrustado puedan llevar a una revinculación silenciosa de autoridad debido al truncamiento de cadena C en las vinculaciones del resolvedor.\n\nEsta vulnerabilidad afecta a todas las líneas de lanzamiento compatibles: Node.js 22, Node.js 24 y Node.js 26."}],"affected":[{"source":"support@hackerone.com","affectedData":[{"vendor":"nodejs","product":"node","defaultStatus":"unaffected","versions":[{"version":"22.22.3","lessThanOrEqual":"22.22.3","versionType":"semver","status":"affected"},{"version":"24.16.0","lessThanOrEqual":"24.16.0","versionType":"semver","status":"affected"},{"version":"26.3.0","lessThanOrEqual":"26.3.0","versionType":"semver","status":"affected"}]}]}],"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"}}]},"weaknesses":[{"source":"support@hackerone.com","type":"Secondary","description":[{"lang":"en","value":"CWE-284"}]}],"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"}]}]}],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/june-2026-security-releases","source":"support@hackerone.com","tags":["Patch","Vendor Advisory"]}]}}