CVE-2026-6592 Details
Description
A vulnerability has been found in ComfyUI up to 0.13.0. Affected by this vulnerability is the function getuserdata of the file app/user_manager.py of the component userdata Endpoint. Such manipulation leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
A stored cross-site scripting vulnerability has been identified in ComfyUI versions through 0.13.0. The issue resides in the user data endpoint, specifically within the 'getuserdata' function of 'app/user_manager.py'. This vulnerability allows for the upload of malicious files that are later served to users without proper content type sanitization, enabling the execution of embedded JavaScript. The flaw can be exploited remotely, with the uploaded scripts running in the context of the ComfyUI application.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 20, 2026CISA-ADP
Assessed Apr 20, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/YLChen-007/50f0cdc5e3f7b737ce99c783e487ca0d | [email protected] | ExploitTechnical Description |
| https://vuldb.com/submit/791113 | [email protected] | ExploitTechnical Description |
| https://vuldb.com/vuln/358227 | [email protected] | AdvisoryExploitPartial Content |
| https://vuldb.com/vuln/358227/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| ComfyUI | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Apr 20, 2026 | New CVE Received | [email protected] |