A flaw has been 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. The attack may be performed from remote. A high complexity level is associated with this attack. The exploitability is assessed as difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
https://vuldb.com/vuln/374489/cti
https://vuldb.com/submit/838497
https://vuldb.com/cve/CVE-2026-13493
https://github.com/AIDC-AI/ComfyUI-Copilot/pull/150
Published: 2026-06-28
Updated: 2026-06-29
Base Score: 2.1
Vector: CVSS2#AV:N/AC:H/Au:S/C:P/I:N/A:N
Severity: Low
Base Score: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Severity: Low
Base Score: 2.3
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Severity: Low
EPSS: 0.00232