CVE-2026-27635 Manyfold vulnerable to OS command injection via ZIP filename in f3d render
A logged-in user can achieve remote code execution by uploading a ZIP file with shell metacharacters in the filename when render generation is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-27635?
CVE-2026-27635 is a high-severity command injection vulnerability in manyfold3d manyfold, published on 25 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-27635?
It affects 1 product.
Products include Manyfold Manyfold.
How do I fix CVE-2026-27635?
No fix has been published for CVE-2026-27635 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-27635 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-27635 exists.
Other vulnerabilities in manyfold3d manyfold
Sources
Also known as GHSA-p589-cf26-v7h2.