{
  "containers": {
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:composer/showdoc/showdoc",
          "product": "ShowDoc",
          "repo": "https://github.com/star7th/showdoc",
          "vendor": "ShowDoc",
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              "versionType": "semver"
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          ]
        }
      ],
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      ],
      "datePublic": "2026-10-30T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "ShowDoc 2.8.14 before 3.9.6 contains a code injection vulnerability in its Mock feature that allows authenticated users to execute shell commands through mockjs templates. Attackers can store a template via MockController::add with escaped parentheses that mockjs evaluates with eval(), then trigger it through MockController::infoByKey to run commands, as root in the official Docker image."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
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            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
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          "format": "CVSS"
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-31T17:25:52.170Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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      "references": [
        {
          "name": "Patch Commit",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/star7th/showdoc/commit/5a2087a3f408f5266f61e9e2fb98845ef4788288"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://gist.github.com/LioTree/028af150fd991cf9924dd2c7d5912e54"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/star7th/showdoc/blob/v3.9.5/mock/index.js#L42"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/star7th/showdoc"
        },
        {
          "name": "VulnCheck Advisory: ShowDoc 2.8.14 before 3.9.6 Code Injection via Mock Templates",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/showdoc-2.8.14-before-3.9.6-code-injection-via-mock-templates"
        }
      ],
      "title": "ShowDoc 2.8.14 before 3.9.6 Code Injection via Mock Templates",
      "x_generator": {
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  },
  "cveMetadata": {
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    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-120203",
    "datePublished": "2026-10-31T17:25:52.170Z",
    "dateReserved": "2026-10-31T11:44:47.454Z",
    "dateUpdated": "2026-10-31T17:25:52.170Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}