A vulnerability, which was classified as problematic , was found in AIDC-AI ComfyUI-Copilot up to 2.0.28 . This issue affects some unknown processing of the file backend/controller/conversation_api.py of the component Workflow Checkpoint Restore Handler . Executing a manipulation can lead to improper control of resource identifiers. This vulnerability appears as CVE-2026-13493 . The attack may be performed from remote. In addition, an exploit is available. The pull request to fix this issue awai