CVE-2026-6589
ComfyUI server.py create_origin_only_middleware cross-site request forgery
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Proof of concept
Public proof of concept exists, but not yet automated.
CVSS 5.3EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
20 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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.
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
Affected products
n/a · ComfyUIpublic PoCs found — 1
cve_referencegist.github.com/YLChen-007/d314f8120e47601dfa3ac8b899f12d1funverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.