FKIE_CVE-2026-102127

Vulnerability from fkie_nvd - Published: 2026-09-30 21:17 - Updated: 2026-10-08 13:43
Summary
An XML parser used by Kiteworks Email Protection Gateway did not restrict external entity references. Where an optional, non-default message-processing feature is enabled, a remote and unauthenticated sender could potentially use a crafted message to read files accessible to the gateway service account, including cryptographic key material and credentials, and have them sent to a destination they control.
Impacted products
Vendor Product Version
accellion kiteworks *

{
  "affected": [
    {
      "affectedData": [
        {
          "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"
            }
          ]
        }
      ],
      "source": "9119a7d8-5eab-497f-8521-727c672e3725"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:accellion:kiteworks:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E3DAD823-F1FD-402B-86A5-C69DD8261D4B",
              "versionEndExcluding": "9.5.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An XML parser used by Kiteworks Email Protection Gateway did not restrict external entity references. Where an optional, non-default message-processing feature is enabled, a remote and unauthenticated sender could potentially use a crafted message to read files accessible to the gateway service account, including cryptographic key material and credentials, and have them sent to a destination they control."
    }
  ],
  "id": "CVE-2026-102127",
  "lastModified": "2026-10-08T13:43:55.813",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 4.7,
        "source": "9119a7d8-5eab-497f-8521-727c672e3725",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-102127",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-01T13:23:31.130759Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-30T21:17:01.117",
  "references": [
    {
      "source": "9119a7d8-5eab-497f-8521-727c672e3725",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/kiteworks/security-advisories/security/advisories/GHSA-9jwc-h943-6f84"
    },
    {
      "source": "9119a7d8-5eab-497f-8521-727c672e3725",
      "tags": [
        "Broken Link"
      ],
      "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json"
    }
  ],
  "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ],
      "source": "9119a7d8-5eab-497f-8521-727c672e3725",
      "type": "Secondary"
    }
  ]
}



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