CVE-2026-48937

{
  "id": "CVE-2026-48937",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-18T19:16:23.507",
  "lastModified": "2026-10-25T23:10:00.167",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a `GOAWAY` frame. This vulnerability affects two supported release lines: **Node.js 22** and **Node.js 24**."
    },
    {
      "lang": "es",
      "value": "Un defecto en la API del servidor HTTP/2 de Node.js puede hacer que los servidores sigan aceptando datos incluso después de enviar un frame ’GOAWAY’. Esta vulnerabilidad afecta a dos líneas de lanzamiento compatibles: Node.js 22 y Node.js 24."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "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"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV30": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-06-18T18:43:55.210236Z",
          "id": "CVE-2026-48937",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*",
              "versionStartIncluding": "22.0",
              "versionEndExcluding": "22.23.0",
              "matchCriteriaId": "F35F858F-EC12-428C-8ECB-6AF471D926D2"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*",
              "versionStartIncluding": "24.0.0",
              "versionEndExcluding": "24.17.0",
              "matchCriteriaId": "6E9DF5A3-6211-4D79-8D76-9910D3CF3A02"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://hackerone.com/reports/3658225",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
      "source": "[email protected]",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}