CVE-2026-56673 – ComfyUI: Path traversal in LoadImage via the /prompt API allows arbitrary file existence probing and image exfiltration

CVE ID :CVE-2026-56673

Published : July 31, 2026, 4:46 a.m. | 1 hour ago

Description :ComfyUI is a modular diffusion model GUI, API, and backend with a graph-and-node interface. Prior to 0.28.0, folder_paths.get_annotated_filepath and exists_annotated_filepath join workflow-controlled annotated filenames to a base directory without a containment check, allowing an unauthenticated crafted POST /prompt workflow using LoadImage or sibling nodes to probe arbitrary host paths and exfiltrate image-format files through /view. LoadImage defines a VALIDATE_INPUTS method, which causes the execution engine to skip COMBO (input-directory) validation. Affected nodes include LoadImage, LoadImageMask, LoadImageOutput, LoadAudio, LoadLatent, LoadVideo, and Load3D. This issue is fixed in version 0.28.0.

Severity: 0.0 | NA

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