EUVD-2026-23731Severity by source
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
8DescriptionCVE.org
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.
AnalysisAI
Cross-site request forgery (CSRF) in ComfyUI up to version 0.13.0 allows unauthenticated remote attackers to modify application state via crafted requests to the create_origin_only_middleware function in server.py. The vulnerability requires user interaction (clicking a malicious link or visiting an attacker-controlled site) but has low integrity impact and is publicly exploitable with proof-of-concept code available. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | User must have an active authenticated session with ComfyUI at the time the CSRF payload is delivered. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This vulnerability presents moderate real-world risk with several mitigating factors. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts a malicious webpage or email containing a hidden form or script that targets the ComfyUI server running on a victim's local network or public instance. When a user with an active ComfyUI session visits the attacker's page, the embedded request (e.g., an image tag, fetch request, or form submission) exploits the CSRF vulnerability in create_origin_only_middleware to perform unauthorized actions such as modifying model settings, altering workflow parameters, or injecting malicious nodes into the user's session. … |
| Remediation | Upgrade ComfyUI to a version released after the disclosure; however, no specific patched version number is confirmed in available data due to lack of vendor response. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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