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5.3
ComfyUI Vulnerability: Cross-Site Request Forgery Possible
CVE-2026-6589
Summary
ComfyUI versions up to 0.13.0 are vulnerable to a cross-site request forgery attack, which can be initiated remotely. This means that an attacker could potentially trick users into performing unintended actions on a website. To stay safe, update to a newer version of ComfyUI as soon as possible.
Original title
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 forge...
Original 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.
nvd CVSS2.0
5.0
nvd CVSS3.1
4.3
nvd CVSS4.0
5.3
Vulnerability type
CWE-352
Cross-Site Request Forgery (CSRF)
CWE-862
Missing Authorization
Published: 20 Apr 2026 · Updated: 20 Apr 2026 · First seen: 20 Apr 2026