{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63630", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-17T14:11:15.482Z", "datePublished": "2026-09-24T15:33:44.489Z", "dateUpdated": "2026-09-29T02:49:15.644Z"}, "containers": {"cna": {"title": "BentoPDF: Workflow Import Allows Unvalidated TSA URL Leading to PDF Hash Exfiltration via RFC 3161 Requests", "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "lang": "en", "description": "CWE-502: Deserialization of Untrusted Data", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-201", "lang": "en", "description": "CWE-201: Insertion of Sensitive Information Into Sent Data", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8"}, {"name": "https://github.com/alam00000/bentopdf/commit/b21f602cca972320bfffbf72e37df535313a6e48", "tags": ["x_refsource_MISC"], "url": "https://github.com/alam00000/bentopdf/commit/b21f602cca972320bfffbf72e37df535313a6e48"}, {"name": "https://github.com/alam00000/bentopdf/releases/tag/v2.8.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/alam00000/bentopdf/releases/tag/v2.8.7"}], "affected": [{"vendor": "alam00000", "product": "bentopdf", "versions": [{"version": "< 2.8.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-24T15:33:44.489Z"}, "descriptions": [{"lang": "en", "value": "BentoPDF is a client-side PDF toolkit that is self hostable. In 2.8.6 and earlier, deserializeWorkflow() accepts the Timestamp node's tsaUrl control from imported JSON without schema or destination validation. When a user imports the crafted workflow and runs it against a PDF, timestampPdf() sends an RFC 3161 TimeStampReq containing the PDF's SHA-256 MessageImprint to the attacker-selected endpoint. The default self-hosted configuration does not set VITE_CORS_PROXY_URL, so the request bypasses the proxy's ALLOWED_TSA_HOSTS checks and is sent directly. The disclosed digest can confirm that a document matches a known file and can correlate the same document across users without revealing its contents. This vulnerability is fixed in 2.8.7."}], "source": {"advisory": "GHSA-cx8x-7rrr-r9x8", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-29T02:48:51.526364Z", "id": "CVE-2026-63630", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-29T02:49:15.644Z"}}]}}

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{"affected": [{"affectedData": [{"product": "bentopdf", "vendor": "alam00000", "versions": [{"status": "affected", "version": "< 2.8.7"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "BentoPDF is a client-side PDF toolkit that is self hostable. In 2.8.6 and earlier, deserializeWorkflow() accepts the Timestamp node's tsaUrl control from imported JSON without schema or destination validation. When a user imports the crafted workflow and runs it against a PDF, timestampPdf() sends an RFC 3161 TimeStampReq containing the PDF's SHA-256 MessageImprint to the attacker-selected endpoint. The default self-hosted configuration does not set VITE_CORS_PROXY_URL, so the request bypasses the proxy's ALLOWED_TSA_HOSTS checks and is sent directly. The disclosed digest can confirm that a document matches a known file and can correlate the same document across users without revealing its contents. This vulnerability is fixed in 2.8.7."}], "id": "CVE-2026-63630", "lastModified": "2026-09-30T19:57:08.043", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-63630", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-29T02:48:51.526364Z", "version": "2.0.3"}}]}, "published": "2026-09-24T16:17:08.873", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/alam00000/bentopdf/commit/b21f602cca972320bfffbf72e37df535313a6e48"}, {"source": "security-advisories@github.com", "url": "https://github.com/alam00000/bentopdf/releases/tag/v2.8.7"}, {"source": "security-advisories@github.com", "url": "https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-201"}, {"lang": "en", "value": "CWE-502"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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