CVE-2026-58039

Full vulnerability record from the local CVENow database.

Description

A flaw in Node.js Permission Model enforcement allows process.report writes (and overwrites) files outside --allow-fs-write paths. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.

Severity

LOW

CVSS score

3.3 (v3.0)

Vulnerability status

Awaiting Analysis

Source identifier

[email protected]

Published

2026-07-31 01:16:31.530000

Last modified

2026-10-23 23:10:00.157000

View original CVE JSON

{
  "id": "CVE-2026-58039",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-31T01:16:31.530",
  "lastModified": "2026-10-23T23:10:00.157",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw in Node.js Permission Model enforcement allows process.report writes (and overwrites) files outside --allow-fs-write paths.\n\nThis can lead to confidentiality impact or bypass of the intended security boundary under affected configurations.\n\nThis vulnerability affects Node.js **22.x**, **24.x**, and **26.x**."
    },
    {
      "lang": "es",
      "value": "Un fallo en la aplicación del Modelo de Permisos de Node.js permite que process.report escriba (y sobrescriba) archivos fuera de las rutas --allow-fs-write.\n\nEsto puede llevar a un impacto en la confidencialidad o a la elusión del límite de seguridad previsto bajo configuraciones afectadas.\n\nEsta vulnerabilidad afecta a Node.js 22.x, 24.x y 26.x."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "nodejs",
          "product": "node",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "26.5.0",
              "lessThanOrEqual": "26.5.0",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "24.18.0",
              "lessThanOrEqual": "24.18.0",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "22.23.1",
              "lessThanOrEqual": "22.23.1",
              "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:L/I:N/A:N",
          "baseScore": 3.3,
          "baseSeverity": "LOW",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-31T16:00:31.468676Z",
          "id": "CVE-2026-58039",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://nodejs.org/en/blog/vulnerability",
      "source": "[email protected]"
    }
  ]
}