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CVE-2026-18482

Quick assessment

Affected
Klarso GmbH neo-mjs
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.

Neo.mjs 的 ai/mcp/server/file-system MCP 服务器中的 FileSystemService.mjs 组件存在命令注入漏洞。其中，checkSyntax() 和 runPlaywrightTest() 函数在不安全的情况下，将调用方控制的绝对路径（absolutePath）值直接拼接到 shell 命令中，从而导致在诱导 AI 代理调用这些工具时，可执行任意操作系统命令。提交 88c77fc 修复了这些漏洞。

AI Predicted 9.8 Difficulty: Easy EPSS 0.75% · P52

Affected Version Matrix 1

VendorProduct Version RangeStatus
Klarso GmbH neo-mjs < 88c77fc4 affected
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I. Basic Information for CVE-2026-18482

Vulnerability Information
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Vulnerability Title
CVE-2026-18482
Source: CVE Program / CVE List V5
Vulnerability Description
Neo.mjs contains a command injection vulnerability within the FileSystemService.mjs component of the ai/mcp/server/file-system MCP server, where the checkSyntax() and runPlaywrightTest() functions unsafely interpolate caller-controlled absolutePath values into shell commands, enabling arbitrary OS command execution when an AI agent is induced to invoke these tools. Commit 88c77fc fixes these vulnerabilities.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Klarso GmbH neo-mjs 0 ~ 88c77fc4 -

II. Public POCs for CVE-2026-18482

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III. Intelligence Information for CVE-2026-18482

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Patches & Fixes for CVE-2026-18482 (2)

Security Blog Posts for CVE-2026-18482 (1)

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