CVE-2026-13493
AIDC-AI ComfyUI-Copilot Workflow Checkpoint Restore conversation_api.py resource injection
Description
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.
INFO
Published Date :
June 28, 2026, 1:16 p.m.
Last Modified :
June 29, 2026, 6:43 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update AIDC-AI ComfyUI-Copilot to version 2.0.28 or later.
- Apply the pull request fix for conversation_api.py.
- Review file handling and resource identifier logic.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-13493.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-13493 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-13493
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-13493 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-13493 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 29, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-13493', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-29T12:34:18.870139Z'} -
New CVE Received by [email protected]
Jun. 28, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:aidc-ai:comfyui-copilot:*:*:*:*:*:*:*:*'], 'vendor': 'AIDC-AI', 'modules': ['Workflow Checkpoint Restore Handler'], 'product': 'ComfyUI-Copilot', 'versions': [{'status': 'affected', 'version': '2.0.0'}, {'status': 'affected', 'version': '2.0.1'}, {'status': 'affected', 'version': '2.0.2'}, {'status': 'affected', 'version': '2.0.3'}, {'status': 'affected', 'version': '2.0.4'}, {'status': 'affected', 'version': '2.0.5'}, {'status': 'affected', 'version': '2.0.6'}, {'status': 'affected', 'version': '2.0.7'}, {'status': 'affected', 'version': '2.0.8'}, {'status': 'affected', 'version': '2.0.9'}, {'status': 'affected', 'version': '2.0.10'}, {'status': 'affected', 'version': '2.0.11'}, {'status': 'affected', 'version': '2.0.12'}, {'status': 'affected', 'version': '2.0.13'}, {'status': 'affected', 'version': '2.0.14'}, {'status': 'affected', 'version': '2.0.15'}, {'status': 'affected', 'version': '2.0.16'}, {'status': 'affected', 'version': '2.0.17'}, {'status': 'affected', 'version': '2.0.18'}, {'status': 'affected', 'version': '2.0.19'}, {'status': 'affected', 'version': '2.0.20'}, {'status': 'affected', 'version': '2.0.21'}, {'status': 'affected', 'version': '2.0.22'}, {'status': 'affected', 'version': '2.0.23'}, {'status': 'affected', 'version': '2.0.24'}, {'status': 'affected', 'version': '2.0.25'}, {'status': 'affected', 'version': '2.0.26'}, {'status': 'affected', 'version': '2.0.27'}, {'status': 'affected', 'version': '2.0.28'}]}] Added Description 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. Added CVSS V4.0 AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N Added CVSS V2 (AV:N/AC:H/Au:S/C:P/I:N/A:N) Added CWE CWE-99 Added Reference https://github.com/AIDC-AI/ComfyUI-Copilot/ Added Reference https://github.com/AIDC-AI/ComfyUI-Copilot/issues/149 Added Reference https://github.com/AIDC-AI/ComfyUI-Copilot/pull/150 Added Reference https://vuldb.com/cve/CVE-2026-13493 Added Reference https://vuldb.com/submit/838497 Added Reference https://vuldb.com/vuln/374489 Added Reference https://vuldb.com/vuln/374489/cti