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CVE-2026-19263— INQUIRELAB mcp-bridge-api Servers Endpoint mcp-bridge.js command injection

Quick assessment

Affected
INQUIRELAB mcp-bridge-api
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

INQUIRELAB MCP Bridge API是INQUIRELAB个人开发者的一个MCP协议桥接API中间件。 INQUIRELAB MCP Bridge API b30a82aa1d1d1139e0de846c41c8aadee6e06114及之前版本存在安全漏洞，该漏洞源于mcp-bridge.js文件中Servers Endpoint组件的未知函数对command/args参数操作不当，可能导致命令注入。

CVSS 7.3 · High EPSS 2.13% · P82

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
INQUIRELAB mcp-bridge-api b30a82aa1d1d1139e0de846c41c8aadee6e06114 affected
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I. Basic Information for CVE-2026-19263

Vulnerability Information
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Vulnerability Title
INQUIRELAB mcp-bridge-api Servers Endpoint mcp-bridge.js command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in INQUIRELAB mcp-bridge-api up to b30a82aa1d1d1139e0de846c41c8aadee6e06114. The impacted element is an unknown function of the file mcp-bridge.js of the component Servers Endpoint. Performing a manipulation of the argument command/args results in command injection. It is possible to initiate the attack remotely. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The pull request to fix this issue awaits acceptance.
Source: 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
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
INQUIRELAB MCP Bridge API 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
INQUIRELAB MCP Bridge API是INQUIRELAB个人开发者的一个MCP协议桥接API中间件。 INQUIRELAB MCP Bridge API b30a82aa1d1d1139e0de846c41c8aadee6e06114及之前版本存在安全漏洞，该漏洞源于mcp-bridge.js文件中Servers Endpoint组件的未知函数对command/args参数操作不当，可能导致命令注入。
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
INQUIRELAB mcp-bridge-api b30a82aa1d1d1139e0de846c41c8aadee6e06114 cpe:2.3:a:inquirelab:mcp-bridge-api:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19263

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: command injection via POST /servers (shell:true spawn) - uid=0(root) gid=0(root) groups=0(root)|PROOF_f1dbedcfbf80fb09|END|
Reproduction recording is a Pro+ exclusive
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claude_code · 7827 chars
GitHub 复现环境（可 clone 直接跑）
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III. Intelligence Information for CVE-2026-19263

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Vendor Advisories for CVE-2026-19263 (2)

Security Blog Posts for CVE-2026-19263 (1)

Other References for CVE-2026-19263 (2)

IV. Related Vulnerabilities

Same weakness: CWE-77

V. Comments for CVE-2026-19263

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