CVE-2026-6590: ComfyUI Model Preview Endpoint model_manager.py get_model_preview path traversal

Severity: medium (CVSS 4.3 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: none known
Published: 2026-04-20 · updated 2026-06-17
Weakness: CWE-22

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

ComfyUI: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+7)

References

https://gist.github.com/YLChen-007/b46c4cfef1643df14ed73e278129af2c
https://vuldb.com/submit/791109
https://vuldb.com/vuln/358225
https://vuldb.com/vuln/358225/cti

Get alerted when CVE-2026-6590 or the next vulnerability affects your stack