What’s Vulnerable › Vulnerabilities

CVE-2026-27635: Manyfold vulnerable to OS command injection via ZIP filename in f3d render

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-26 · updated 2026-06-17
• Weakness: CWE-78

Description

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

• manyfold3d manyfold: before 0.133.0 — fixed in 0.133.0

How to fix

Upgrade to a fixed version: manyfold3d manyfold 0.133.0. Check the vendor advisory for mitigations.

References

• https://github.com/manyfold3d/manyfold/releases/tag/v0.133.0
• https://github.com/manyfold3d/manyfold/security/advisories/GHSA-p589-cf26-v7h2

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