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CVE-2026-84201— appium-mcp-server through 0.1.61 Path Traversal in write_file and write_files_batch

Quick assessment

Affected
argneshu appium-mcp-server
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.

从版本 0.1.61 及以下的 appium-mcp-server 存在安全漏洞：其 和 工具未能对文件路径进行验证或规范化处理，允许攻击者将文件写入到预期的 目录之外。攻击者可以通过提供绝对路径或包含父目录段（如 ）的相对路径，以服务器用户的权限覆盖任意文件，例如用户主目录中的 shell 配置文件和配置项。

CVSS 7.1 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
argneshu appium-mcp-server ≤ 0.1.61 affected
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I. Basic Information for CVE-2026-84201

Vulnerability Information
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Vulnerability Title
appium-mcp-server through 0.1.61 Path Traversal in write_file and write_files_batch
Source: CVE Program / CVE List V5
Vulnerability Description
appium-mcp-server through 0.1.61 fails to validate or normalize file paths in the write_file and write_files_batch tools, allowing attackers to write files outside the intended PROJECT_ROOT directory. Attackers can supply absolute paths or relative paths with parent directory segments to overwrite arbitrary files with the server user's privileges, including shell profiles and configuration files in the home directory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
argneshu appium-mcp-server 0 ~ 0.1.61 -

II. Public POCs for CVE-2026-84201

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III. Intelligence Information for CVE-2026-84201

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Vendor Advisories for CVE-2026-84201 (1)

Proof of Concept for CVE-2026-84201 (1)

Other References for CVE-2026-84201 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-84201

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