RCE in Comfyui
CVE-2026-6592
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 att…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (1.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/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-358227 | ComfyUI userdata Endpoint user_manager.py getuserdata cross site scripting (technical-description, vdb-entry)
- VDB-358227 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #791113 | comfyanonymous ComfyUI <= 0.13.0 (commit 88e63705) Cross-Site Scripting (CWE-79) (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-6592?
- CVE-2026-6592 is a low-severity vulnerability in Comfyui, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-04-20.
- How severe is CVE-2026-6592?
- Low severity. CVSS v3 base score is 3.5 out of 10.