CVE-2026-6589CWE-352CWE-862

ComfyUI server.py create_origin_only_middleware cross-site request forgery

Medium · published April 20, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
12.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00225 · 12.4th percentile
Weaknesses
CWE-352 · Cross-Site Request Forgery (CSRF); CWE-862 · Missing Authorization
Published
2026-04-20T00:30Z
EPSS history
Timeline
  • 20 APR 00:30Z
    ComfyUI server.py create_origin_only_middleware cross-site request forgery
    cvelistv5