CVE-2026-56681— 9Router: Authentication Bypass in Public LLM API via Spoofable X-9r-Real-Ip Header
一分钟漏洞结论
影响对象
decolua 9router
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
9Router is an AI router & token saver. Prior to 0.5.6, 9Router deployments that allow requests to reach Next.js without the sanitizing custom-server.js wrapper trust the client-supplied X-9r-Real-Ip header in src/dashboardGuard.js when isLocalRequest decides w
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一、 漏洞 CVE-2026-56681 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
9Router: Authentication Bypass in Public LLM API via Spoofable X-9r-Real-Ip Header
来源: CVE Program / CVE List V5
Vulnerability Description
9Router is an AI router & token saver. Prior to 0.5.6, 9Router deployments that allow requests to reach Next.js without the sanitizing custom-server.js wrapper trust the client-supplied X-9r-Real-Ip header in src/dashboardGuard.js when isLocalRequest decides whether canAccessPublicLlmApi may skip API-key validation for /api/v1/* routes. A remote unauthenticated attacker can set X-9r-Real-Ip to 127.0.0.1 and be classified as a local client, including on the verified GET /api/v1/models route. This permits unauthorized use of the instance owner's configured LLM providers, consumption of paid credits, and enumeration of configured providers and models. This issue is fixed in version 0.5.6.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
在安全决策中依赖未经信任的输入
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-56681 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-56681 补丁与修复 (1)
CVE-2026-56681 其他参考 (2)
IV. Related Vulnerabilities
V. Comments for CVE-2026-56681
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