CVE-2026-56670

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CVSS 3.1

8.2 high

EPSS

<1%p13

Published

Jul 31, 2026 (Jul 31, 2026)

Modified

Sep 8, 2026

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.

Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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