AIDC-AI ComfyUI-Copilot up to 2.0.28 Workflow Checkpoint Restore conversation_api.py resource injection

Summaryinfo

A vulnerability has been found in AIDC-AI ComfyUI-Copilot up to 2.0.28 and classified as problematic. Impacted is an unknown function of the file backend/controller/conversation_api.py of the component Workflow Checkpoint Restore Handler. The manipulation leads to resource injection. This vulnerability is traded as CVE-2026-13493. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability was found in AIDC-AI ComfyUI-Copilot up to 2.0.28. It has been rated as problematic. This issue affects an unknown part of the file backend/controller/conversation_api.py of the component Workflow Checkpoint Restore Handler. The manipulation with an unknown input leads to a resource injection vulnerability. Using CWE to declare the problem leads to CWE-99. The product receives input from an upstream component, but it does not restrict or incorrectly restricts the input before it is used as an identifier for a resource that may be outside the intended sphere of control. Impacted is confidentiality.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-13493. The exploitation is known to be difficult. The attack may be initiated remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The pull request to fix this issue awaits acceptance.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Artificial Intelligence Software

Vendor

• AIDC-AI

Name

• ComfyUI-Copilot

Version

• 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

Website

• Product: https://github.com/AIDC-AI/ComfyUI-Copilot/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #838497: AIDC-AI ComfyUI-Copilot 2.0.28 Insecure Direct Object Reference (IDOR) / Cross-Tenant Data Expo (by dem0000)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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