CVE-2026-63630
BentoPDF is a client-side PDF toolkit that is self hostable.
Impact
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.
Affected packages
This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/alam00000/bentopdf/commit/b21f602cca972320bfffbf72e37df535313a6e48
- https://github.com/alam00000/bentopdf/releases/tag/v2.8.7
- https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8
- https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8