RCE in Comfyui
CVE-2026-6593
A vulnerability was found in ComfyUI up to 0.13.0. Affected by this issue is some unknown functionality of the file server.py of the component View Endpoint. Performing a manipulation results in cross site scripting. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (10.9th 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
- cna@vuldb.com (vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-6593?
- CVE-2026-6593 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-2026-6593?
- Low severity. CVSS v3 base score is 3.5 out of 10.