{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "EFence",
          "vendor": "Thinking Software Technology",
          "versions": [
            {
              "lessThanOrEqual": "1.2.66 DB Ver:56",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
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        }
      ],
      "datePublic": "2026-08-26T08:25:00.000Z",
      "descriptions": [
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              "value": "\u003cp\u003eEFence developed by Thinking Software Technology has an Arbitrary File Upload vulnerability. Unauthenticated remote attackers can upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.\u003c/p\u003e"
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            {
              "lang": "en",
              "value": "CAPEC-650 Upload a Web Shell to a Web Server"
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          ]
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            "attackVector": "NETWORK",
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            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
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            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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              "value": "GENERAL"
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          ]
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-434",
              "description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-26T08:26:12.960Z",
        "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
        "shortName": "twcert"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.twcert.org.tw/tw/cp-132-11133-e0167-1.html"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.twcert.org.tw/en/cp-139-11137-c6e5f-2.html"
        }
      ],
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          "lang": "en",
          "supportingMedia": [
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              "value": "\u003cp\u003ePlease update to version 1.2.67 DB Ver:57 or later\u003c/p\u003e"
            }
          ],
          "value": "Please update to version 1.2.67 DB Ver:57 or later"
        }
      ],
      "source": {
        "advisory": "TVN-202608010",
        "discovery": "EXTERNAL"
      },
      "title": "Thinking Software Technology\uff5cEFence - Arbitrary File Upload",
      "x_generator": {
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    "assignerShortName": "twcert",
    "cveId": "CVE-2026-80235",
    "datePublished": "2026-08-26T08:26:12.960Z",
    "dateReserved": "2026-08-26T05:58:51.131Z",
    "dateUpdated": "2026-08-26T08:26:12.960Z",
    "state": "PUBLISHED"
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}