CSRF in Comfyui
CVE-2026-6589
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…
Vulnerability class: CSRF (Cross-Site Request Forgery)
EPSS: 0.000 (4.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- N/a Comfyui — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- VDB-358224 | ComfyUI server.py create_origin_only_middleware cross-site request forgery (technical-description, vdb-entry)
- VDB-358224 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #791108 | comfyanonymous ComfyUI <= 0.13.0 (commit 88e63705) Origin Validation Error (CWE-346) (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-6589?
- CVE-2026-6589 is a medium-severity vulnerability in Comfyui, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-04-20.
- How severe is CVE-2026-6589?
- Medium severity. CVSS v3 base score is 4.3 out of 10.