CVE-2026-41653

CVE-2026-41653: BentoPDF ≤ 2.8.2 - Stored XSS → File Exfiltration Discovered & reported by: Astaruf Full writeup: https://nstsec.com/en/posts/bentopdf-xss-cve-2026-41653/ Upstream advisory: alam00000/bentopdf GHSA advisory NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2026-41653 Summary BentoPD...

CVE-2026-102354

BentoPDF is a privacy-focused PDF toolkit that runs in the browser. In versions through 2.8.6, cloudflare/cors-proxy-worker.js performs a DNS-over-HTTPS safety check in hostnameResolvesToPrivate, as used by isValidCertificateUrl and isValidTsaUrl, separately from the outbound fetchtargetUrl,...

CVE-2026-102354

BentoPDF versions through 2.8.6 are vulnerable to a Server-Side Request Forgery (SSRF) via a Time-of-check Time-of-use (TOCTOU) race condition in the cloudflare/cors-proxy-worker.js component. The issue exists because hostnameResolvesToPrivate() performs a DNS-over-HTTPS safety check separately f...

CVE-2026-102354 BentoPDF: SSRF via DNS Rebinding (TOCTOU) in Cloudflare CORS Proxy Worker

BentoPDF is a privacy-focused PDF toolkit that runs in the browser. In versions through 2.8.6, cloudflare/cors-proxy-worker.js performs a DNS-over-HTTPS safety check in hostnameResolvesToPrivate, as used by isValidCertificateUrl and isValidTsaUrl, separately from the outbound fetchtargetUrl,...

CVE-2026-102354 BentoPDF: SSRF via DNS Rebinding (TOCTOU) in Cloudflare CORS Proxy Worker

BentoPDF is a privacy-focused PDF toolkit that runs in the browser. In versions through 2.8.6, cloudflare/cors-proxy-worker.js performs a DNS-over-HTTPS safety check in hostnameResolvesToPrivate, as used by isValidCertificateUrl and isValidTsaUrl, separately from the outbound fetchtargetUrl,...

CVE-2026-77581

BentoPDF is a client-side PDF toolkit that is self hostable. In 2.8.6 and earlier, the certificate and timestamp CORS proxy in cloudflare/cors-proxy-worker.js uses isPrivateOrReservedHost to validate a supplied hostname separately from the DNS resolution used by fetchtargetUrl, allowing an...

CVE-2026-63630

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...

CVE-2026-63630 BentoPDF: Workflow Import Allows Unvalidated TSA URL Leading to PDF Hash Exfiltration via RFC 3161 Requests

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...

CVE-2026-63630

BentoPDF , a self-hostable client-side PDF toolkit, is vulnerable in versions 2.8.6 and earlier due to a lack of validation in the deserializeWorkflow() function. The application accepts an unvalidated tsaUrl control from imported JSON files. When a user processes a crafted workflow against a PDF...

CVE-2026-63630 BentoPDF: Workflow Import Allows Unvalidated TSA URL Leading to PDF Hash Exfiltration via RFC 3161 Requests

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...

EUVD-2026-86242

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...

CVE-2026-63630

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...

CVE-2026-63630 BentoPDF: Workflow Import Allows Unvalidated TSA URL Leading to PDF Hash Exfiltration via RFC 3161 Requests

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...

EUVD-2026-86229

BentoPDF is a client-side PDF toolkit that is self hostable. In 2.8.6 and earlier, the certificate and timestamp CORS proxy in cloudflare/cors-proxy-worker.js uses isPrivateOrReservedHost to validate a supplied hostname separately from the DNS resolution used by fetchtargetUrl, allowing an...

CVE-2026-77581 BentoPDF: SSRF in cors-proxy-worker.js via DNS-based hostname allowlist bypass

BentoPDF is a client-side PDF toolkit that is self hostable. In 2.8.6 and earlier, the certificate and timestamp CORS proxy in cloudflare/cors-proxy-worker.js uses isPrivateOrReservedHost to validate a supplied hostname separately from the DNS resolution used by fetchtargetUrl, allowing an...

CVE-2026-77581

BentoPDF, a self-hostable client-side PDF toolkit, contains a Server-Side Request Forgery (SSRF) vulnerability in the cloud/cors-proxy-worker.js component (versions 2.8.6 and earlier ). The root cause is a DNS-based hostname allowlist bypass where the isPrivateOrReservedHost() function validates ...

CVE-2026-77581 BentoPDF: SSRF in cors-proxy-worker.js via DNS-based hostname allowlist bypass

BentoPDF is a client-side PDF toolkit that is self hostable. In 2.8.6 and earlier, the certificate and timestamp CORS proxy in cloudflare/cors-proxy-worker.js uses isPrivateOrReservedHost to validate a supplied hostname separately from the DNS resolution used by fetchtargetUrl, allowing an...

CVE-2026-77581 BentoPDF: SSRF in cors-proxy-worker.js via DNS-based hostname allowlist bypass

BentoPDF is a client-side PDF toolkit that is self hostable. In 2.8.6 and earlier, the certificate and timestamp CORS proxy in cloudflare/cors-proxy-worker.js uses isPrivateOrReservedHost to validate a supplied hostname separately from the DNS resolution used by fetchtargetUrl, allowing an...

CVE-2026-63630: Deserialization of Untrusted Data

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...

CVE-2026-77581: Server-Side Request Forgery (SSRF)

BentoPDF is a client-side PDF toolkit that is self hostable. In 2.8.6 and earlier, the certificate and timestamp CORS proxy in cloudflare/cors-proxy-worker.js uses isPrivateOrReservedHost to validate a supplied hostname separately from the DNS resolution used by fetchtargetUrl, allowing an...