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Vulnerability · Published Apr 20, 2026 · Assigned by VulDB

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

Medium 4.3

In plain English

A medium-severity cross-site request forgery in ComfyUI. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 95.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
n/a ComfyUI 0.10.20.30.40.50.60.70.8

Weakness: CWE-352, CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

References