CVE-2026-56670
ComfyUI: Stored XSS via SVG file upload on the /view endpoint
CVSS Score
8.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | comfy-org |
| Product | comfyui |
| Published | Jul 31, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
Comfy-Org / ComfyUI
< 0.28.0