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CVE-2026-6593— ComfyUI View Endpoint server.py cross site scripting

CVSS 3.5 · Low EPSS 0.03% · P8
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I. Basic Information for CVE-2026-6593

Vulnerability Information
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Vulnerability Title
ComfyUI View Endpoint server.py cross site scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in ComfyUI up to 0.13.0. Affected by this issue is some unknown functionality of the file server.py of the component View Endpoint. Performing a manipulation results in cross site scripting. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
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中未知功能的操作不当，可能导致跨站脚本攻击。
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

VendorProductAffected VersionsCPESubscribe
-ComfyUI 0.1 -

II. Public POCs for CVE-2026-6593

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III. Intelligence Information for CVE-2026-6593

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

CVE-2026-66504.7 MEDIUMZ-BlogPHP ZBA File app_upload.php UnPack unrestricted upload
CVE-2026-65914.3 MEDIUMComfyUI LoadImage Node folder_paths.py folder_paths.get_annotated_filepath path traversal
CVE-2026-65904.3 MEDIUMComfyUI Model Preview Endpoint model_manager.py get_model_preview path traversal
CVE-2026-65894.3 MEDIUMComfyUI server.py create_origin_only_middleware cross-site request forgery
CVE-2026-65923.5 LOWComfyUI userdata Endpoint user_manager.py getuserdata cross site scripting
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IV. Related Vulnerabilities

Same product: ComfyUI
Same vendor: n/a
Same weakness: CWE-79

V. Comments for CVE-2026-6593

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