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.

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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (10.3th 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-358228 | ComfyUI View Endpoint server.py cross site scripting (vdb-entry)
VDB-358228 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #791114 | 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-2026-6593?: 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.