CVE-2026-63630

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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"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.8.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "bentopdf", "source": "cna", "vendor": "alam00000"}, "product": "bentopdf", "vendor": "alam00000"}], "created": "2026-09-25T01:30:19.605624+00:00", "updated": "2026-09-25T11:00:12.908890+00:00", "vendors": ["alam00000", "alam00000$PRODUCT$bentopdf"]}