CVE-2026-40893

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, Gotenberg only checks if the tag is exactly FileName, so System:FileName slips right through and ExifTool happily renames the file. This allows remote attackers to move, rename, and change permissions for arbitrary files. This vulnerability is fixed in 8.31.0.

• CWE-73
• CWE-184

• https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4Exploit, Vendor Advisory
• https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4Exploit, Vendor Advisory

Published

May 14, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

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