CVE-2026-13493: ComfyUI-Copilot 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10, 2.0.11, 2.0.12, 2.0.13…

Affected technology

ComfyUI-Copilot · 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10, 2.0.11, 2.0.12, 2.0.13, 2.0.14, 2.0.15, 2.0.16, 2.0.17, 2.0.18, 2.0.19, 2.0.20, 2.0.21, 2.0.22, 2.0.23, 2.0.24, 2.0.25, 2.0.26, 2.0.27, 2.0.28
AIDC-AI

Description’s affected range: up to 2.0.28

Component: Workflow Checkpoint Restore Handler
File: backend/controller/conversation_api.py

Attack conditions (VulDB, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

VulDB’s CVSS 4.0 assessment (base score 1.3/10) rates confidentiality impact as low; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.