CVE-2026-42597

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, the /forms/chromium/convert/url and /forms/chromium/screenshot/url routes accept url=file:///tmp/... from anonymous callers. The default Chromium deny-list intentionally exempts file:///tmp/ so HTML/Markdown routes can lo...

CVE-2026-42597 Gotenberg: Chromium URL conversion routes read arbitrary files under /tmp via file:// scheme

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, the /forms/chromium/convert/url and /forms/chromium/screenshot/url routes accept url=file:///tmp/... from anonymous callers. The default Chromium deny-list intentionally exempts file:///tmp/ so HTML/Markdown routes can lo...

CVE-2026-42597

Gotenberg’s Chromium URL routes (/forms/chromium/convert/url and /forms/chromium/screenshot/url) allow file:// access to /tmp for anonymous callers, enabling cross-request data exfiltration by enumerating work/request directories during overlapping conversions. This is caused by the HTML/Markdown...