CVE-2026-5383 (GCVE-0-2026-5383)

Vulnerability from cvelistv5 – Published: 2026-04-07 14:12 – Updated: 2026-04-07 20:00
VLAI?
Title
runZero Explorer missing authorization check
Summary
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.
Severity ?
4.4 (Medium)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
CWE
  • CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
Vendor Product Version
runZero Explorer Affected: 0 , < 4.0.260208.0 (semver)
Create a notification for this product.
Date Public ?
2026-04-07 14:00
Credits
runZero
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-5383",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-07T19:53:40.801500Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-07T20:00:12.927Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Explorer",
          "vendor": "runZero",
          "versions": [
            {
              "lessThan": "4.0.260208.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "runZero"
        }
      ],
      "datePublic": "2026-04-07T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "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.\u003cbr\u003e"
            }
          ],
          "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863 Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-07T14:12:32.422Z",
        "orgId": "44488dab-36db-4358-99f9-bc116477f914",
        "shortName": "runZero"
      },
      "references": [
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://help.runzero.com/docs/release-notes/#402602080"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.runzero.com/advisories/runzero-explorer-cve-2026-5383/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "This issue was fixed in version 4.0.26021.0 of the runZero Explorer"
            }
          ],
          "value": "This issue was fixed in version 4.0.26021.0 of the runZero Explorer"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "runZero Explorer missing authorization check",
      "x_generator": {
        "engine": "Vulnogram 1.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "44488dab-36db-4358-99f9-bc116477f914",
    "assignerShortName": "runZero",
    "cveId": "CVE-2026-5383",
    "datePublished": "2026-04-07T14:12:32.422Z",
    "dateReserved": "2026-04-01T20:20:41.608Z",
    "dateUpdated": "2026-04-07T20:00:12.927Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-5383",
      "date": "2026-04-16",
      "epss": "0.00043",
      "percentile": "0.1308"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-5383\",\"sourceIdentifier\":\"44488dab-36db-4358-99f9-bc116477f914\",\"published\":\"2026-04-07T15:17:48.543\",\"lastModified\":\"2026-04-08T21:27:00.663\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"44488dab-36db-4358-99f9-bc116477f914\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L\",\"baseScore\":4.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":1.3,\"impactScore\":2.7}]},\"weaknesses\":[{\"source\":\"44488dab-36db-4358-99f9-bc116477f914\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-863\"}]}],\"references\":[{\"url\":\"https://help.runzero.com/docs/release-notes/#402602080\",\"source\":\"44488dab-36db-4358-99f9-bc116477f914\"},{\"url\":\"https://www.runzero.com/advisories/runzero-explorer-cve-2026-5383/\",\"source\":\"44488dab-36db-4358-99f9-bc116477f914\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-5383\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-07T19:53:40.801500Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-07T19:53:45.650Z\"}}], \"cna\": {\"title\": \"runZero Explorer missing authorization check\", \"source\": {\"discovery\": \"INTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"runZero\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"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\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"runZero\", \"product\": \"Explorer\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"4.0.260208.0\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"This issue was fixed in version 4.0.26021.0 of the runZero Explorer\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"This issue was fixed in version 4.0.26021.0 of the runZero Explorer\", \"base64\": false}]}], \"datePublic\": \"2026-04-07T14:00:00.000Z\", \"references\": [{\"url\": \"https://help.runzero.com/docs/release-notes/#402602080\", \"tags\": [\"release-notes\"]}, {\"url\": \"https://www.runzero.com/advisories/runzero-explorer-cve-2026-5383/\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.1\"}, \"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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"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.\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-863\", \"description\": \"CWE-863 Incorrect Authorization\"}]}], \"providerMetadata\": {\"orgId\": \"44488dab-36db-4358-99f9-bc116477f914\", \"shortName\": \"runZero\", \"dateUpdated\": \"2026-04-07T14:12:32.422Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-5383\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-07T20:00:12.927Z\", \"dateReserved\": \"2026-04-01T20:20:41.608Z\", \"assignerOrgId\": \"44488dab-36db-4358-99f9-bc116477f914\", \"datePublished\": \"2026-04-07T14:12:32.422Z\", \"assignerShortName\": \"runZero\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.