High severity8.2NVD Advisory· Published Jul 31, 2026· Updated Sep 8, 2026
CVE-2026-56670
CVE-2026-56670
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.
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Affected products
2Patches
Vulnerability mechanics
References
3News mentions
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