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CVE-2026-48936

Full vulnerability record from the local CVENow database.

Description

A flaw in Node.js Permission API can cause a local server to be started (via a Unix domain socket), even without the `--allow-net` permission. This vulnerability affects one supported release line: **Node.js 26**.

Severity
LOW
CVSS score
3.3 (v3.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-06-26 02:16:53.157000
Last modified
2026-10-25 22:10:00.150000
View original CVE JSON
{
  "id": "CVE-2026-48936",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-26T02:16:53.157",
  "lastModified": "2026-10-25T22:10:00.150",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw in Node.js Permission API can cause a local server to be started (via a Unix domain socket), even without the `--allow-net` permission.\r\n\r\nThis vulnerability affects one supported release line: **Node.js 26**."
    },
    {
      "lang": "es",
      "value": "Un defecto en la API de Permisos de Node.js puede provocar que se inicie un servidor local (a través de un socket de dominio Unix), incluso sin el permiso “--allow-net”.\n\nEsta vulnerabilidad afecta a una línea de lanzamiento compatible: Node.js 26."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "nodejs",
          "product": "node",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "26.3.0",
              "lessThanOrEqual": "26.3.0",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "baseScore": 3.3,
          "baseSeverity": "LOW",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-06-26T13:35:18.745870Z",
          "id": "CVE-2026-48936",
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            },
            {
              "automatable": "no"
            },
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              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "configurations": [
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  "references": [
    {
      "url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases",
      "source": "[email protected]",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}