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CVE-2026-5383

Status: AnalyzedMedium (4.4)—

An issue that could allow access to Explorer groups from outside of the authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L (4.4 Medium). This issue was fixed in version 4.0.260208.0 of the runZero Explorer.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Runzero — Runzero Platform

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-5383",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-5383",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-07T19:53:40.801500Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "44488dab-36db-4358-99f9-bc116477f914",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 4.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.3
      }
    ]
  },
  "affected": [
    {
      "source": "44488dab-36db-4358-99f9-bc116477f914",
      "affectedData": [
        {
          "vendor": "runZero",
          "product": "Explorer",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "4.0.260208.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
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  ],
  "published": "2026-04-07T15:17:48.543",
  "references": [
    {
      "url": "https://help.runzero.com/docs/release-notes/#402602080",
      "tags": [
        "Release Notes"
      ],
      "source": "44488dab-36db-4358-99f9-bc116477f914"
    },
    {
      "url": "https://www.runzero.com/advisories/runzero-explorer-cve-2026-5383/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "44488dab-36db-4358-99f9-bc116477f914"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "44488dab-36db-4358-99f9-bc116477f914",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue that could allow access to Explorer groups from outside of the authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L (4.4 Medium). This issue was fixed in version 4.0.260208.0 of the runZero Explorer."
    }
  ],
  "lastModified": "2026-06-17T10:58:56.487",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:runzero:runzero_platform:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F47C6688-19AC-4FF8-9BEB-A1B3AD4F9BD9",
              "versionEndExcluding": "4.0.260208.0"
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          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "44488dab-36db-4358-99f9-bc116477f914"
}