CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, при специфични условия, без вход и след действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
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.
Засегнати продукти
- alam00000 bentopdf: < 2.8.7
Вид слабост
История
- 24 септември 2026 Публикувано
Други уязвимости в alam00000 bentopdf
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-63630
- https://nvd.nist.gov/vuln/detail/CVE-2026-63630
- https://github.com/alam00000/bentopdf/security/advisories/GHSA-cx8x-7rrr-r9x8
- https://github.com/alam00000/bentopdf/commit/b21f602cca972320bfffbf72e37df535313a6e48
- https://github.com/alam00000/bentopdf/releases/tag/v2.8.7