{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-102139",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-01T13:26:22.762488Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-01T13:37:07.509Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Email Protection Gateway",
          "vendor": "Kiteworks",
          "versions": [
            {
              "lessThan": "9.5.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "9.5.1"
            }
          ]
        }
      ],
      "datePublic": "2026-09-30T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "An authorization check in the large file exchange feature of Kiteworks Email Protection Gateway did not correctly establish that the requesting user was a party to the package being requested. An authenticated user of that optional feature could read the subject, message body, and attachments of packages they neither sent nor received."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863 Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-30T20:11:17.678Z",
        "orgId": "9119a7d8-5eab-497f-8521-727c672e3725",
        "shortName": "cisa-cg"
      },
      "references": [
        {
          "name": "url",
          "url": "https://github.com/kiteworks/security-advisories/security/advisories/GHSA-fp46-xhg8-vpgm"
        },
        {
          "name": "url",
          "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json"
        }
      ],
      "title": "Kiteworks Email Protection Gateway Incorrect Authorization",
      "x_generator": {
        "engine": "VINCE-NT 1.15.0+build.145"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725",
    "assignerShortName": "cisa-cg",
    "cveId": "CVE-2026-102139",
    "datePublished": "2026-09-30T20:11:17.678Z",
    "dateReserved": "2026-09-28T17:39:13.564Z",
    "dateUpdated": "2026-10-01T13:37:07.509Z",
    "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-2026-102139\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-01T13:26:22.762488Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-01T13:32:20.311Z\"}}], \"cna\": {\"title\": \"Kiteworks Email Protection Gateway Incorrect Authorization\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"Kiteworks\", \"product\": \"Email Protection Gateway\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"9.5.1\", \"versionType\": \"custom\"}, {\"status\": \"unaffected\", \"version\": \"9.5.1\"}], \"defaultStatus\": \"unknown\"}], \"datePublic\": \"2026-09-30T00:00:00.000Z\", \"references\": [{\"url\": \"https://github.com/kiteworks/security-advisories/security/advisories/GHSA-fp46-xhg8-vpgm\", \"name\": \"url\"}, {\"url\": \"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json\", \"name\": \"url\"}], \"x_generator\": {\"engine\": \"VINCE-NT 1.15.0+build.145\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An authorization check in the large file exchange feature of Kiteworks Email Protection Gateway did not correctly establish that the requesting user was a party to the package being requested. An authenticated user of that optional feature could read the subject, message body, and attachments of packages they neither sent nor received.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-639\", \"description\": \"CWE-639 Authorization Bypass Through User-Controlled Key\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-863\", \"description\": \"CWE-863 Incorrect Authorization\"}]}], \"providerMetadata\": {\"orgId\": \"9119a7d8-5eab-497f-8521-727c672e3725\", \"shortName\": \"cisa-cg\", \"dateUpdated\": \"2026-09-30T20:11:17.678Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-102139\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-01T13:37:07.509Z\", \"dateReserved\": \"2026-09-28T17:39:13.564Z\", \"assignerOrgId\": \"9119a7d8-5eab-497f-8521-727c672e3725\", \"datePublished\": \"2026-09-30T20:11:17.678Z\", \"assignerShortName\": \"cisa-cg\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}