{"api_version":"1","generated_at":"2026-10-01T14:29:52+00:00","cve":"CVE-2026-63630","urls":{"html":"https://cve.report/CVE-2026-63630","api":"https://cve.report/api/cve/CVE-2026-63630.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63630","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63630"},"summary":{"title":"BentoPDF: Workflow Import Allows Unvalidated TSA URL Leading to PDF Hash Exfiltration via RFC 3161 Requests","description":"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.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-09-24 16:17:08","updated_at":"2026-09-30 19:57:08"},"problem_types":["CWE-201","CWE-502","CWE-502 CWE-502: Deserialization of Untrusted Data","CWE-201 CWE-201: Insertion of Sensitive Information Into Sent Data"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"3.4","severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N","baseScore":3.4,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"3.4","severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N","data":{"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":[{"url":"https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8","name":"https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8","refsource":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/alam00000/bentopdf/commit/b21f602cca972320bfffbf72e37df535313a6e48","name":"https://github.com/alam00000/bentopdf/commit/b21f602cca972320bfffbf72e37df535313a6e48","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/alam00000/bentopdf/releases/tag/v2.8.7","name":"https://github.com/alam00000/bentopdf/releases/tag/v2.8.7","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63630","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63630","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"alam00000","product":"bentopdf","version":"affected < 2.8.7","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"63630","cve":"CVE-2026-63630","epss":"0.003090000","percentile":"0.212870000","score_date":"2026-09-29","updated_at":"2026-09-30 00:11:21"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-63630","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-29T02:48:51.526364Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-29T02:49:15.644Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["exploit"],"url":"https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"bentopdf","vendor":"alam00000","versions":[{"status":"affected","version":"< 2.8.7"}]}],"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."}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-201","description":"CWE-201: Insertion of Sensitive Information Into Sent Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-24T15:33:44.489Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"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"}],"source":{"advisory":"GHSA-cx8x-7rrr-r9x8","discovery":"UNKNOWN"},"title":"BentoPDF: Workflow Import Allows Unvalidated TSA URL Leading to PDF Hash Exfiltration via RFC 3161 Requests"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-63630","datePublished":"2026-09-24T15:33:44.489Z","dateReserved":"2026-07-17T14:11:15.482Z","dateUpdated":"2026-09-29T02:49:15.644Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 16:17:08","lastModifiedDate":"2026-09-30 19:57:08","problem_types":["CWE-201","CWE-502","CWE-502 CWE-502: Deserialization of Untrusted Data","CWE-201 CWE-201: Insertion of Sensitive Information Into Sent Data"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N","baseScore":3.4,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-29T02:48:51.526364Z","id":"CVE-2026-63630","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63630","Ordinal":"1","Title":"BentoPDF: Workflow Import Allows Unvalidated TSA URL Leading to ","CVE":"CVE-2026-63630","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63630","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"BentoPDF: Workflow Import Allows Unvalidated TSA URL Leading to "}]}}}