CVE-2026-81098— Telnyx MCP Server 6.83.0 认证缺失漏洞
一分钟漏洞结论
影响对象
team-telnyx telnyx-mcp
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。
The Telnyx MCP server exposed its HTTP transport on every interface and did not require a caller credential. packages/mcp-server/src/http.ts served MCP on the root path with a listener bound to all interfaces and parsed the caller's authentication headers in a
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一、 漏洞 CVE-2026-81098 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
Telnyx MCP Server through 6.83.0 Missing Authentication on Streamable HTTP Transport
来源: CVE Program / CVE List V5
Vulnerability Description
The Telnyx MCP server exposed its HTTP transport on every interface and did not require a caller credential. packages/mcp-server/src/http.ts served MCP on the root path with a listener bound to all interfaces and parsed the caller's authentication headers in a mode that did not fail when they were absent, so a request without any credential completed initialisation and dispatched tools. Dispatch forwarded the server's own stored credentials, the Telnyx API key and client secret together with the code-execution key, to the upstream endpoint, so an unauthenticated caller able to reach the port acted with them. The current code defaults the host to loopback, requires a server API key, and enforces it in middleware.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| team-telnyx | telnyx-mcp | 0 ~ 6.83.0 | - |
|
二、漏洞 CVE-2026-81098 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-81098 其他参考 (4)
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https://github.com/team-telnyx/telnyx-node/pull/450 issue-tracking
IV. Related Vulnerabilities
V. Comments for CVE-2026-81098
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