CVE-2026-42593 Gotenberg: Arbitrary PDF read via stampExpression and watermarkExpression in merge, split, and convert routes

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, pdfengines/merge, pdfengines/split, libreoffice/convert, chromium/convert/url, chromium/convert/html, and chromium/convert/markdown accept stampSource=pdf + stampExpression=/path and watermarkSource=pdf +...

CVE-2026-42593 Gotenberg: Arbitrary PDF read via stampExpression and watermarkExpression in merge, split, and convert routes

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, pdfengines/merge, pdfengines/split, libreoffice/convert, chromium/convert/url, chromium/convert/html, and chromium/convert/markdown accept stampSource=pdf + stampExpression=/path and watermarkSource=pdf +...

External Control of File Name or Path

Overview Affected versions of this package are vulnerable to External Control of File Name or Path via the stampExpression and watermarkExpression parameters in the merge, split, and convert routes. An attacker can access the contents of arbitrary PDF files on the server by supplying a path to a...

Gotenberg has arbitrary PDF read via stampExpression and watermarkExpression in merge, split, and convert routes

Summary Six conversion routes pdfengines/merge, pdfengines/split, libreoffice/convert, chromium/convert/url, chromium/convert/html, chromium/convert/markdown accept stampSource=pdf + stampExpression=/path and watermarkSource=pdf + watermarkExpression=/path from anonymous callers. The dedicated...

External Control of File Name or Path

Overview Affected versions of this package are vulnerable to External Control of File Name or Path via the stampExpression and watermarkExpression parameters in the merge, split, and convert routes. An attacker can access the contents of arbitrary PDF files on the server by supplying a path to a...