Home

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.

PUBLISHED Reserved 2026-04-19 | Published 2026-04-20 | Updated 2026-04-20 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross-Site Request Forgery

Missing Authorization

Timeline

2026-04-19:Advisory disclosed
2026-04-19:VulDB entry created
2026-04-19:VulDB entry last update

Credits

Eric-c (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/358224 (VDB-358224 | ComfyUI server.py create_origin_only_middleware cross-site request forgery) vdb-entry technical-description

vuldb.com/vuln/358224/cti (VDB-358224 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/791108 (Submit #791108 | comfyanonymous ComfyUI <= 0.13.0 (commit 88e63705) Origin Validation Error (CWE-346)) third-party-advisory

gist.github.com/YLChen-007/d314f8120e47601dfa3ac8b899f12d1f exploit

cve.org (CVE-2026-6589)

nvd.nist.gov (CVE-2026-6589)

Download JSON