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CVE-2026-107207— LMCache through 0.5.5 Missing Authentication in Frontend Node Catalog Allows SSRF Allowlist Bypass

Quick assessment

Affected
LMCache LMCache
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.

LMCache 在 0.5.5 及更早版本中存在服务端请求伪造（SSRF）漏洞，该漏洞位于其前端监控服务中。未认证的攻击者可以通过注册任意主机来绕过代理白名单。攻击者可通过向 发送请求添加条目，然后利用 或 访问内部主机，读取响应内容，篡改节点状态或停止心跳检测。

CVSS 7.2 · High
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I. Basic Information for CVE-2026-107207

Vulnerability Information
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Vulnerability Title
LMCache through 0.5.5 Missing Authentication in Frontend Node Catalog Allows SSRF Allowlist Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
LMCache through 0.5.5 contains a server-side request forgery vulnerability in its frontend monitoring service that allows unauthenticated attackers to bypass the proxy allowlist by registering arbitrary hosts. Attackers can add entries via POST /api/proxies and then use /proxy or /proxy2 to reach internal hosts, read responses, and tamper with nodes or stop the heartbeat.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
LMCache LMCache 0 ~ 0.5.5 -

II. Public POCs for CVE-2026-107207

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III. Intelligence Information for CVE-2026-107207

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Vendor Advisories for CVE-2026-107207 (1)

Security Blog Posts for CVE-2026-107207 (1)

Same Patch Batch · LMCache · 2026-10-07 · 5 CVEs total

CVE-2026-105192 9.8 CRITICAL LMCache Unauthenticated RCE in multiprocess mode via pickle deserialization
CVE-2026-107204 9.8 CRITICAL LMCache through 0.5.5 Unauthenticated RCE via /run_script Endpoint
CVE-2026-107206 9.4 CRITICAL LMCache through 0.5.5 Missing Authentication in MP HTTP Server Management API
CVE-2026-107205 8.6 HIGH LMCache through 0.5.5 Missing Authentication in MP Coordinator Fleet Control API

IV. Related Vulnerabilities

Same product: LMCache
Same vendor: LMCache
Same weakness: CWE-306

V. Comments for CVE-2026-107207

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