{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-66002",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-21T21:09:35.845729Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-21T21:46:12.905Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "frappe",
          "vendor": "frappe",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 15.115.0"
            },
            {
              "status": "affected",
              "version": "\u003e= 16.0.0-beta.1, \u003c 16.27.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Frappe is a full-stack web application framework. Prior to 15.115.0 and 16.27.0, the public request-data web form and PersonalDataDownloadRequest class in frappe/website/doctype/personal_data_download_request/personal_data_download_request.py return distinguishable response shapes for registered and unregistered email addresses, including the user_name field and persistence behavior. A remote attacker can compare the responses to enumerate registered users. This issue is fixed in versions 15.115.0 and 16.27.0."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-204",
              "description": "CWE-204: Observable Response Discrepancy",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-20T18:29:40.872Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/frappe/frappe/security/advisories/GHSA-c2xv-c53h-qvr5",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/frappe/frappe/security/advisories/GHSA-c2xv-c53h-qvr5"
        },
        {
          "name": "https://github.com/frappe/frappe/pull/40787",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/frappe/frappe/pull/40787"
        },
        {
          "name": "https://github.com/frappe/frappe/pull/40814",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/frappe/frappe/pull/40814"
        },
        {
          "name": "https://github.com/frappe/frappe/pull/40815",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/frappe/frappe/pull/40815"
        },
        {
          "name": "https://github.com/frappe/frappe/commit/30fe0b4118ff94c95c239dce4bc74ec4ca10a827",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/frappe/frappe/commit/30fe0b4118ff94c95c239dce4bc74ec4ca10a827"
        },
        {
          "name": "https://github.com/frappe/frappe/commit/47a396ec59f5362029feb349eb2b9d10a21afcf8",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/frappe/frappe/commit/47a396ec59f5362029feb349eb2b9d10a21afcf8"
        },
        {
          "name": "https://github.com/frappe/frappe/commit/4b32a4e0072e61ce0abcb0d09cfd1f14724fe896",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/frappe/frappe/commit/4b32a4e0072e61ce0abcb0d09cfd1f14724fe896"
        },
        {
          "name": "https://github.com/frappe/frappe/releases/tag/v15.115.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/frappe/frappe/releases/tag/v15.115.0"
        },
        {
          "name": "https://github.com/frappe/frappe/releases/tag/v16.27.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/frappe/frappe/releases/tag/v16.27.0"
        }
      ],
      "source": {
        "advisory": "GHSA-c2xv-c53h-qvr5",
        "discovery": "UNKNOWN"
      },
      "title": "Frappe: User Enumeration via PDDR"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-66002",
    "datePublished": "2026-08-20T18:29:40.872Z",
    "dateReserved": "2026-07-23T18:54:15.833Z",
    "dateUpdated": "2026-08-21T21:46:12.905Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}