Path Traversal in Comfyui
CVE-2026-6590
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.004 (29.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- N/a Comfyui — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-6590?
- CVE-2026-6590 is a medium-severity vulnerability in Comfyui, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-04-20.
- How severe is CVE-2026-6590?
- Medium severity. CVSS v3 base score is 4.3 out of 10.