CVE-2026-13493

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.

CVSS v3.1 Score

3.1

LOW

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0023

Probability of exploitation

0.14%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-99 CWE-99

References

Other References

https://github.com/AIDC-AI/ComfyUI-Copilot/ https://github.com/AIDC-AI/ComfyUI-Copilot/issues/149 https://github.com/AIDC-AI/ComfyUI-Copilot/pull/150 https://vuldb.com/cve/CVE-2026-13493 https://vuldb.com/submit/838497 https://vuldb.com/vuln/374489 https://vuldb.com/vuln/374489/cti

Frequently Asked Questions

What is CVE-2026-13493? +

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. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2026-13493? +

CVE-2026-13493 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0023, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-13493? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-43491 9.8

A vulnerability in the Poly Lens Desktop application running on the Windows platform might allow modifications to the filesystem, which …

CVE-2025-2410 9.1

Port manipulation vulnerabilities in ASPECT provide attackers with the ability to con-trol TCP/IP port access if session administrator credentials become …

CVE-2025-0756 9.1

Overview The product receives input from an upstream component, but it does not restrict or incorrectly restricts the input before …

CVE-2024-57971 9.1

DataSourceResource.java in the SpagoBI API support in Knowage Server in KNOWAGE before 8.1.30 does not ensure that java:comp/env/jdbc/ occurs at …

CVE-2024-5706 8.8

The product receives input from an upstream component, but it does not restrict or incorrectly restricts the input before it …

CVE-2023-6605 7.2

A flaw was found in FFmpeg's DASH playlist support. This vulnerability allows arbitrary HTTP GET requests to be made on …