ComfyUI — Path Traversal (CVE-2026-6590)
Date: 2026-04
Attack vector: path-traversal
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2026-6590
CWE: CWE-22
CVSS: 4.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

A vulnerability was detected in ComfyUI up to 0.13.0. This impacts the function get_model_preview of the file app/model_manager.py of the component Model Preview Endpoint. The manipulation results in path traversal. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.


Mitigations:

Architectural layers (MAESTRO):