CVE-2026-6590

ComfyUI Model Preview Endpoint model_manager.py get_model_preview path traversal

Assigner: VulDB
Reserved: 19.04.2026 Published: 20.04.2026 Updated: 20.04.2026

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.

Metrics

CVSS Vector: CVSS: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
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS 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
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
CVSS Score: 4

Access Vector	Network	Confidentiality Impact	Partial
Access Complexity	Low	Integrity Impact	None
Authentication	Single	Availability Impact	None

CVSS 2.0

Product Status

Vendor	n/a
Product	ComfyUI
Versions	Version 0.1 is affected Version 0.2 is affected Version 0.3 is affected Version 0.4 is affected Version 0.5 is affected Version 0.6 is affected Version 0.7 is affected Version 0.8 is affected Version 0.9 is affected Version 0.10 is affected Version 0.11 is affected Version 0.12 is affected Version 0.13.0 is affected

Vendor

n/a

Product

ComfyUI

Versions

Version 0.1 is affected
Version 0.2 is affected
Version 0.3 is affected
Version 0.4 is affected
Version 0.5 is affected
Version 0.6 is affected
Version 0.7 is affected
Version 0.8 is affected
Version 0.9 is affected
Version 0.10 is affected
Version 0.11 is affected
Version 0.12 is affected
Version 0.13.0 is affected

Credits

Eric-c (VulDB User) reporter
VulDB CNA Team coordinator

References

Problem Types