๐Ÿ›ก๏ธ CVE-2026-42597
๐ŸŸก CVSS 5.9 โ€” Medium โœ… No Known Exploit CWE-73 NVD
5.9
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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 load their own request-local assets, and those routes apply a per-request AllowedFilePrefixes guard to scope the read. The URL routes never set AllowedFilePrefixes, so the scope guard silently skips. Alice enumerates /tmp/, walks Gotenberg's per-request working directories, and reads the raw source files of other in-flight conversions as rendered PDF output. This vulnerability is fixed in 8.32.0.

Details

Severity Medium
CVSS Score 5.9
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-73
Public Exploit โœ… No
Source NVD
Published 2026-05-07
Updated 2026-06-02
Modified 2026-05-14
Fix URL N/A

Affected Packages

Software From version Fixed in
github.com/gotenberg/gotenberg/v8 โ€” โ€”
gotenberg โ€” 8.32.0
unknown โ€” โ€”

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