CVE-2021-23345: Thecodingmachine Gotenberg

Medium severity, CVSS 5.3. EPSS: 1.1% chance of exploitation in the next 30 days.

All versions of package github.com/thecodingmachine/gotenberg are vulnerable to Server-side Request Forgery (SSRF) via the /convert/html endpoint when the src attribute of an HTML element refers to an internal system file, such as <iframe src='file:///etc/passwd'>.

Affected products

• Thecodingmachine Gotenberg: any version

Published 2021-02-26. Last modified 2026-06-17.