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CVE-2026-19041— MissionSquad mcp-api NPM Package Version packages.ts this.packageService.installPackage command injection

Quick assessment

Affected
MissionSquad mcp-api
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.

Mission Squad MCP API是Mission Squad组织开源的一个提供模型上下文协议接口的服务。 missionsquad MCP API 1.11.8及之前版本存在安全漏洞，该漏洞源于NPM Package Version Handler组件中src/controllers/packages.ts文件的this.packageService.installPackage函数操作不当，可能导致命令注入。

CVSS 6.3 · Medium EPSS 2.12% · P82

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 10

VendorProduct Version RangeStatus
MissionSquad mcp-api 1.11.0 affected
1.11.1 affected
1.11.2 affected
1.11.3 affected
1.11.4 affected
1.11.5 affected
1.11.6 affected
1.11.7 affected
… +2 more rows
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I. Basic Information for CVE-2026-19041

Vulnerability Information
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Vulnerability Title
MissionSquad mcp-api NPM Package Version packages.ts this.packageService.installPackage command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in MissionSquad mcp-api up to 1.11.8. The impacted element is the function this.packageService.installPackage of the file src/controllers/packages.ts of the component NPM Package Version Handler. The manipulation leads to command injection. It is possible to initiate the attack remotely. Upgrading to version 1.11.9 is sufficient to resolve this issue. The identifier of the patch is a40f54d4533ba6618e1749383a245900eeb024c1. The affected component should be upgraded.
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
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
missionsquad MCP API 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mission Squad MCP API是Mission Squad组织开源的一个提供模型上下文协议接口的服务。 missionsquad MCP API 1.11.8及之前版本存在安全漏洞，该漏洞源于NPM Package Version Handler组件中src/controllers/packages.ts文件的this.packageService.installPackage函数操作不当，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
MissionSquad mcp-api 1.11.0 cpe:2.3:a:missionsquad:mcp-api:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19041

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III. Intelligence Information for CVE-2026-19041

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Patches & Fixes for CVE-2026-19041 (2)

Proof of Concept for CVE-2026-19041 (1)

News Coverage for CVE-2026-19041 (2)

Vendor Pages for CVE-2026-19041 (1)

Other References for CVE-2026-19041 (1)

IV. Related Vulnerabilities

Same product: mcp-api
Same vendor: MissionSquad
Same weakness: CWE-77

V. Comments for CVE-2026-19041

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