CVE-2026-56670 – ComfyUI: Stored XSS via SVG file upload on the /view endpoint

CVE ID :CVE-2026-56670

Published : July 31, 2026, 4:17 a.m. | 1 hour, 28 minutes ago

Description :ComfyUI is a modular diffusion model GUI, api and backend with a graph/nodes interface. Prior to 0.28.0, the /view endpoint served uploaded SVG files inline because image/svg+xml and related XML content types were absent from the dangerous-content-type handling, allowing stored cross-site scripting in the ComfyUI origin. This issue is fixed in version 0.28.0.

Severity: 0.0 | NA

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