Vulnerability · Published Apr 20, 2026 · Assigned by VulDB
CVE-2026-6590ComfyUI Model Preview Endpoint model_manager.py get_model_preview path traversal
Medium 4.3
In plain English
A medium-severity path traversal in ComfyUI. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 69.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
References
- VDB-358225 | ComfyUI Model Preview Endpoint model_manager.py get_model_preview path traversal vdb-entry, technical-description
- VDB-358225 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #791109 | comfyanonymous ComfyUI <= 0.13.0 (commit 6648ab68) Path Traversal (CWE-22) third-party-advisory
- https://gist.github.com/YLChen-007/b46c4cfef1643df14ed73e278129af2c exploit