ComfyUI (CVE-2025-6107)

ComfyUI is a node-based UI for Stable Diffusion (78.5K stars) that accepts workflow definitions as JSON from the browser. A reflective attribute setter processes user-provided node configuration without path validation.

Field Value
Repository comfyanonymous/ComfyUI
Version v0.3.39
CVE CVE-2025-6107
Type Constrained-Get × Attr-Set
Input Remote (HTTP)
Status Fixed

Vulnerability

TODO: identify the exact sink function and include annotated code.

Exploitation

1. Denial of Service

TODO: key path and payload. Effect on the ComfyUI server.

Detection by Pyrl

TODO: taint flow summary.

Disclosure timeline

TODO: dates for report, fix, CVE assignment.

Proof of concept

cp-collection/ComfyUI/poc/

References

  1. TODO: GHSA advisory link.