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CVE-2026-6589

ComfyUI server.py create_origin_only_middleware cross-site request forgery

MEDIUM
4.3
CVSS Score
Published: April 20, 2026 at 12:30 AM UTC
Updated: June 17, 2026 at 11:01 AM UTC
1 product affected across 1 vendorComfyui

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A security vulnerability has been detected in ComfyUI up to 0.13.0. This affects the function create_origin_only_middleware of the file server.py. The manipulation leads to cross-site request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/358224
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/358224/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/791108
Exploit
Source: cverecord
https://gist.github.com/YLChen-007/d314f8120e47601dfa3ac8b899f12d1f

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-352CWE-862

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