Vulnerability in Ericc-Ch Copilot-Api
CVE-2026-6662
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.
EPSS: 0.002 (7.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Ericc-ch Copilot-api — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-6662?
- CVE-2026-6662 is a high-severity vulnerability in Ericc-Ch Copilot-Api, classified under Origin Validation Error. CVSS score: 7.3/10. Published 2026-04-20.
- How severe is CVE-2026-6662?
- High severity. CVSS v3 base score is 7.3 out of 10.