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CVE-2026-5378

Status: AnalyzedMedium (6.8)—

An issue that allowed administrators to create and update users outside of their 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:H/A:N (5.8 Medium). This issue was fixed in version 4.0.260203.0 of the runZero Platform.

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)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-5378",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
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        "ssvcData": {
          "id": "CVE-2026-5378",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-07T15:07:16.272058Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
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          "baseScore": 5.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
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      },
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        "source": "nvd@nist.gov",
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          "integrityImpact": "HIGH",
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          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
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        "exploitabilityScore": 2.3
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  },
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  "published": "2026-04-07T15:17:47.763",
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      "tags": [
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      "source": "44488dab-36db-4358-99f9-bc116477f914"
    },
    {
      "url": "https://www.runzero.com/advisories/runzero-platform-user-creation-leak-cve-2026-5378/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "44488dab-36db-4358-99f9-bc116477f914"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "44488dab-36db-4358-99f9-bc116477f914",
      "description": [
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          "lang": "en",
          "value": "CWE-863"
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  "descriptions": [
    {
      "lang": "en",
      "value": "An issue that allowed administrators to create and update users outside of their 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:H/A:N (5.8 Medium). This issue was fixed in version 4.0.260203.0 of the runZero Platform."
    }
  ],
  "lastModified": "2026-06-17T10:58:55.957",
  "configurations": [
    {
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        {
          "negate": false,
          "cpeMatch": [
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  "sourceIdentifier": "44488dab-36db-4358-99f9-bc116477f914"
}