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.
Published: 2026-09-01
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 04 Sep 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 02 Sep 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Argneshu
Argneshu appium-mcp-server
Vendors & Products Argneshu
Argneshu appium-mcp-server

Tue, 01 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
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.
Title appium-mcp-server through 0.1.61 Path Traversal in write_file and write_files_batch
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Argneshu Appium-mcp-server
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-04T02:01:36.496Z

Reserved: 2026-09-01T11:03:27.973Z

Link: CVE-2026-84201

cve-icon Vulnrichment

Updated: 2026-09-04T02:01:31.661Z

cve-icon NVD

Status : Received

Published: 2026-09-01T16:17:34.297

Modified: 2026-09-01T16:17:34.297

Link: CVE-2026-84201

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T21:39:23Z

Weaknesses