{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66002", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-23T18:54:15.833Z", "datePublished": "2026-08-20T18:29:40.872Z", "dateUpdated": "2026-08-20T18:29:40.872Z"}, "containers": {"cna": {"title": "Frappe: User Enumeration via PDDR", "problemTypes": [{"descriptions": [{"cweId": "CWE-204", "lang": "en", "description": "CWE-204: Observable Response Discrepancy", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "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"}}], "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"}], "affected": [{"vendor": "frappe", "product": "frappe", "versions": [{"version": "< 15.115.0", "status": "affected"}, {"version": ">= 16.0.0-beta.1, < 16.27.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-20T18:29:40.872Z"}, "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."}], "source": {"advisory": "GHSA-c2xv-c53h-qvr5", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "frappe", "vendor": "frappe", "versions": [{"status": "affected", "version": "< 15.115.0"}, {"status": "affected", "version": ">= 16.0.0-beta.1, < 16.27.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}], "id": "CVE-2026-66002", "lastModified": "2026-08-20T19:16:58.187", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "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:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-20T19:16:58.187", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/frappe/frappe/commit/30fe0b4118ff94c95c239dce4bc74ec4ca10a827"}, {"source": "security-advisories@github.com", "url": "https://github.com/frappe/frappe/commit/47a396ec59f5362029feb349eb2b9d10a21afcf8"}, {"source": "security-advisories@github.com", "url": "https://github.com/frappe/frappe/commit/4b32a4e0072e61ce0abcb0d09cfd1f14724fe896"}, {"source": "security-advisories@github.com", "url": "https://github.com/frappe/frappe/pull/40787"}, {"source": "security-advisories@github.com", "url": "https://github.com/frappe/frappe/pull/40814"}, {"source": "security-advisories@github.com", "url": "https://github.com/frappe/frappe/pull/40815"}, {"source": "security-advisories@github.com", "url": "https://github.com/frappe/frappe/releases/tag/v15.115.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/frappe/frappe/releases/tag/v16.27.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/frappe/frappe/security/advisories/GHSA-c2xv-c53h-qvr5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-204"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,15.115.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[16.0.0-beta.1,16.27.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "frappe", "source": "cna", "vendor": "frappe"}, "product": "frappe", "vendor": "frappe"}], "created": "2026-08-20T19:30:05.139584+00:00", "updated": "2026-08-20T19:30:05.139622+00:00", "vendors": ["frappe", "frappe$PRODUCT$frappe"]}