CVE-2026-6662 MEDIUM

CVE-2026-6662: ericc-ch copilot-api Token Endpoint server.ts cors cross-domain policy

Vendor Ericc-Ch
Product copilot-api
Weakness CWE-942
Published April 20, 2026
Last update April 20, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was found in ericc-ch copilot-api up to 0.7.0. The impacted element is the function cors of the file src/server.ts of the component Token Endpoint. Performing a manipulation results in permissive cross-domain policy with untrusted domains. It is possible to initiate the attack remotely. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

April 20, 2026 CVE published
April 20, 2026 Record updated