Gotenberg: Server-Side Request Forgery via Chromium URL Endpoint with Redirect-Based Deny-List Bypass

A review of 4 published Gotenberg security advisories exposed an SSRF issue. GHSA-pjrr-jgp4-v2fm covers SSRF via the downloadFrom endpoint. GHSA-pcrp-7g9h-7qhp covers SSRF via the webhook endpoint. Neither advisory addresses SSRF through the primary Chromium URL-to-PDF conversion endpoint...

PT-2026-39661

Name of the Vulnerable Software and Affected Versions Gotenberg versions prior to 8.32.0 Description Gotenberg is a Docker-powered stateless API for PDF files. The Chromium URL-to-PDF endpoint '/forms/chromium/convert/url' lacks default protection against Server-Side Request Forgery SSRF for HTTP...