{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-59566",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-24T15:17:35.696648Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-24T15:17:49.354Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "platforms": [
            "Android",
            "ChromeOS"
          ],
          "product": "Client Connector",
          "vendor": "Zscaler",
          "versions": [
            {
              "lessThan": "Android: 4.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThan": "ChromeOS: 4.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2026-08-21T09:48:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A locally exploitable buffer overflow bug can cause a local denial-of-service attack on affected versions of Zscaler Client Connector on Android and ChromeOS."
            }
          ],
          "value": "A locally exploitable buffer overflow bug can cause a local denial-of-service attack on affected versions of Zscaler Client Connector on Android and ChromeOS."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-100",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-100 Overflow Buffers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-229",
              "description": "CWE-229 Improper handling of values",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-24T13:41:04.827Z",
        "orgId": "73c6f63b-efac-410d-a0a9-569700f85a04",
        "shortName": "Zscaler"
      },
      "references": [
        {
          "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Local denial-of-service",
      "x_generator": {
        "engine": "Vulnogram 1.0.4"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "73c6f63b-efac-410d-a0a9-569700f85a04",
    "assignerShortName": "Zscaler",
    "cveId": "CVE-2026-59566",
    "datePublished": "2026-08-24T13:41:04.827Z",
    "dateReserved": "2026-07-06T06:18:59.633Z",
    "dateUpdated": "2026-08-24T15:17:49.354Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-59566\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-24T15:17:35.696648Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-24T15:17:41.317Z\"}}], \"cna\": {\"title\": \"Local denial-of-service\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-100\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-100 Overflow Buffers\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.4, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Zscaler\", \"product\": \"Client Connector\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"Android: 4.2\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"ChromeOS: 4.2\", \"versionType\": \"custom\"}], \"platforms\": [\"Android\", \"ChromeOS\"], \"defaultStatus\": \"affected\"}], \"datePublic\": \"2026-08-21T09:48:00.000Z\", \"references\": [{\"url\": \"https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.4\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A locally exploitable buffer overflow bug can cause a local denial-of-service attack on affected versions of Zscaler Client Connector on Android and ChromeOS.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"A locally exploitable buffer overflow bug can cause a local denial-of-service attack on affected versions of Zscaler Client Connector on Android and ChromeOS.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-229\", \"description\": \"CWE-229 Improper handling of values\"}]}], \"providerMetadata\": {\"orgId\": \"73c6f63b-efac-410d-a0a9-569700f85a04\", \"shortName\": \"Zscaler\", \"dateUpdated\": \"2026-08-24T13:41:04.827Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-59566\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-24T15:17:49.354Z\", \"dateReserved\": \"2026-07-06T06:18:59.633Z\", \"assignerOrgId\": \"73c6f63b-efac-410d-a0a9-569700f85a04\", \"datePublished\": \"2026-08-24T13:41:04.827Z\", \"assignerShortName\": \"Zscaler\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}