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CVE-2026-6589— ComfyUI server.py create_origin_only_middleware cross-site request forgery

Quick assessment

Affected
n/a ComfyUI
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ComfyUI是comfyanonymous个人开发者的一个最强大和模块化的扩散模型 GUI 和后端。 ComfyUI 0.13.0及之前版本存在安全漏洞，该漏洞源于对文件server.py中create_origin_only_middleware函数的操作不当，可能导致跨站请求伪造。

CVSS 4.3 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-6589

Vulnerability Information
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Vulnerability Title
ComfyUI server.py create_origin_only_middleware cross-site request forgery
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
ComfyUI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ComfyUI是comfyanonymous个人开发者的一个最强大和模块化的扩散模型 GUI 和后端。 ComfyUI 0.13.0及之前版本存在安全漏洞，该漏洞源于对文件server.py中create_origin_only_middleware函数的操作不当，可能导致跨站请求伪造。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- ComfyUI 0.1 -

II. Public POCs for CVE-2026-6589

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III. Intelligence Information for CVE-2026-6589

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Vendor Advisories for CVE-2026-6589 (1)

Proof of Concept for CVE-2026-6589 (1)

Same Patch Batch · n/a · 2026-04-20 · 21 CVEs total

CVE-2026-6650 4.7 MEDIUM Z-BlogPHP ZBA File app_upload.php UnPack unrestricted upload
CVE-2026-6591 4.3 MEDIUM ComfyUI LoadImage Node folder_paths.py folder_paths.get_annotated_filepath path traversal
CVE-2026-6590 4.3 MEDIUM ComfyUI Model Preview Endpoint model_manager.py get_model_preview path traversal
CVE-2026-6593 3.5 LOW ComfyUI View Endpoint server.py cross site scripting
CVE-2026-6592 3.5 LOW ComfyUI userdata Endpoint user_manager.py getuserdata cross site scripting
CVE-2026-29642 XiangShan 安全漏洞
CVE-2026-29643 XiangShan 安全漏洞
CVE-2026-29648 NEMU 安全漏洞
CVE-2026-29647 NEMU 安全漏洞
CVE-2026-29646 NEMU 安全漏洞
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CVE-2026-29649 NEMU 安全漏洞
CVE-2026-29645 NEMU 安全漏洞
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CVE-2026-39111 PHPGurukul Apartment Visitors Management System 安全漏洞
CVE-2026-39110 PHPGurukul Apartment Visitors Management System 安全漏洞
CVE-2026-39112 PHPGurukul Apartment Visitors Management System 安全漏洞
CVE-2026-26399 Arduino 安全漏洞
CVE-2025-66954 Buffalo LinkStation 安全漏洞
CVE-2026-30269 doorman 安全漏洞

IV. Related Vulnerabilities

Same product: ComfyUI
Same vendor: n/a
Same weakness: CWE-352

V. Comments for CVE-2026-6589

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