CVE-2026-27635: Manyfold

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Manyfold is an open source, self-hosted web application for managing a collection of 3d models, particularly focused on 3d printing. Prior to version 0.133.0, when model render generation is enabled, a logged-in user can achieve RCE by uploading a ZIP containing a file with a shell metacharacter in its name. The filename reaches a Ruby backtick call unsanitized. Version 0.133.0 fixes the issue.

Affected products

• Manyfold Manyfold: before 0.133.0 (fixed in 0.133.0)

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