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CVE-2026-6143— farion1231 cc-switch ProxyServer server.rs cross-domain policy

Quick assessment

Affected
farion1231 cc-switch
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CC Switch是Jason Young个人开发者的一个多模型命令行工具管理器。 CC Switch 3.12.3及之前版本存在安全漏洞，该漏洞源于对组件ProxyServer的文件src-tauri/src/proxy/server.rs中未知功能的操作不当，可能导致跨域策略过于宽松。

CVSS 6.3 · Medium EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-6143

Vulnerability Information
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Vulnerability Title
farion1231 cc-switch ProxyServer server.rs cross-domain policy
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in farion1231 cc-switch up to 3.12.3. Affected by this issue is some unknown functionality of the file src-tauri/src/proxy/server.rs of the component ProxyServer. The manipulation results in permissive cross-domain policy with untrusted domains. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
过度许可的跨域白名单
Source: CVE Program / CVE List V5
Vulnerability Title
CC Switch 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CC Switch是Jason Young个人开发者的一个多模型命令行工具管理器。 CC Switch 3.12.3及之前版本存在安全漏洞，该漏洞源于对组件ProxyServer的文件src-tauri/src/proxy/server.rs中未知功能的操作不当，可能导致跨域策略过于宽松。
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
farion1231 cc-switch 3.12.0 -

II. Public POCs for CVE-2026-6143

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III. Intelligence Information for CVE-2026-6143

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Proof of Concept for CVE-2026-6143 (2)

IV. Related Vulnerabilities

Same weakness: CWE-942

V. Comments for CVE-2026-6143

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