CVE-2026-40281 Gotenberg vulnerable to argument injection via newlines in ExifTool metadata values

Gotenberg is a Docker-powered stateless API for PDF files. In versions 8.30.1 and earlier, the metadata write endpoint validates metadata keys for control characters but leaves metadata values unsanitized. A newline character in a metadata value splits the ExifTool stdin line into two separate...

CVE-2026-40281

Gotenberg is a Docker-powered stateless API for PDF files. In versions 8.30.1 and earlier, the metadata write endpoint validates metadata keys for control characters but leaves metadata values unsanitized. A newline character in a metadata value splits the ExifTool stdin line into two separate...

CVE-2026-40281

Gotenberg 8.x (

CVE-2026-40281 Gotenberg vulnerable to argument injection via newlines in ExifTool metadata values

Gotenberg is a Docker-powered stateless API for PDF files. In versions 8.30.1 and earlier, the metadata write endpoint validates metadata keys for control characters but leaves metadata values unsanitized. A newline character in a metadata value splits the ExifTool stdin line into two separate...

GHSA-Q7R4-HC83-HF2Q Gotenberg has ExifTool stdin argument injection via metadata value newlines (bypass of key sanitization fix)

Vulnerability Details CWE: CWE-20 - Improper Input Validation The metadata value sanitization introduced in v8.30.1 commit 405f106 only validates metadata KEYS via safeKeyPattern regex. Metadata VALUES are passed unsanitized to go-exiftool SetString, which writes them as fmt.Fprintlne.stdin,...

CVE-2023-40581

yt-dlp is a youtube-dl fork with additional features and fixes. yt-dlp allows the user to provide shell command lines to be executed at various stages in its download steps through the --exec flag. This flag allows output template expansion in its argument, so that metadata values may be used in...

ThisData: Host Header Poisoning in thisdata.com

ThisData made inappropriate use of the user-supplied host header, which could have resulted in a user being redirected to an arbitrary domain under some circumstances. On other pages, the header was used within metadata values like the canonical URL. 7H0R4PP4N was very thorough and helpful as we...