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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.

PUBLISHED Reserved 2026-04-19 | Published 2026-04-20 | Updated 2026-04-20 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
4.0AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Path Traversal

Timeline

2026-04-19:Advisory disclosed
2026-04-19:VulDB entry created
2026-04-19:VulDB entry last update

Credits

Eric-c (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/358225 (VDB-358225 | ComfyUI Model Preview Endpoint model_manager.py get_model_preview path traversal) vdb-entry technical-description

vuldb.com/vuln/358225/cti (VDB-358225 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/791109 (Submit #791109 | comfyanonymous ComfyUI <= 0.13.0 (commit 6648ab68) Path Traversal (CWE-22)) third-party-advisory

gist.github.com/YLChen-007/b46c4cfef1643df14ed73e278129af2c exploit

cve.org (CVE-2026-6590)

nvd.nist.gov (CVE-2026-6590)

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