CVE-2026-6662— ericc-ch copilot-api Token Endpoint server.ts cors cross-domain policy
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I. Basic Information for CVE-2026-6662
Vulnerability Information
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Vulnerability Title
ericc-ch copilot-api Token Endpoint server.ts cors cross-domain policy
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
过度许可的跨域白名单
Source: NVD (National Vulnerability Database)
Vulnerability Title
Copilot API Proxy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Copilot API Proxy是Erick Christian个人开发者的一个GitHub Copilot API的逆向代理服务。 Copilot API Proxy 0.7.0及之前版本存在安全漏洞，该漏洞源于组件Token Endpoint的文件src/server.ts中函数cors存在缺陷，可能导致与不受信任域建立宽松的跨域策略。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ericc-ch | copilot-api | 0.1 | - |
II. Public POCs for CVE-2026-6662
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-942
- CVE-2026-7643
ChatGPTNextWeb NextChat API Endpoint Next.js cross-domain po - CVE-2026-7581
alexta69 MeTube CORS Policy main.py on_prepare cross-domain - CVE-2026-41056
AVideos has CORS Origin Reflection with Credentials on Sensi - CVE-2026-6143
farion1231 cc-switch ProxyServer server.rs cross-domain poli - CVE-2026-5302
Permissive Cross-domain Policy with Untrusted Domains in coo
V. Comments for CVE-2026-6662
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