Office-PowerPoint-MCP-Server through 2.0.7 Path Traversal via save_presentation and manage_image

Advisories

Office-PowerPoint-MCP-Server through 2.0.7 Path Traversal via save_presentation and manage_image

severity: high
date: 10/1/2026
Affecting: Office-PowerPoint-MCP-Server <= 2.0.7
CVE: CVE-2025-71427
CWE: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS: 7.6
CVSS V4 Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
References: Pull Request #33
https://github.com/GongRzhe/Office-PowerPoint-MCP-Server/blob/3631ba2ec0c24504476f78bf74d329c9be11caaa/utils/presentation_utils.py#L61-L73
https://github.com/GongRzhe/Office-PowerPoint-MCP-Server/blob/3631ba2ec0c24504476f78bf74d329c9be11caaa/tools/presentation_tools.py#L127-L141
https://github.com/GongRzhe/Office-PowerPoint-MCP-Server
Credit: Sonali Tyagi
Description: Office-PowerPoint-MCP-Server through 2.0.7 contains a path traversal vulnerability that allows MCP callers to write and read files outside the working directory by supplying absolute paths or ../ sequences. Attackers can steer an AI agent via prompt injection to abuse save_presentation, open_presentation, or manage_image output_path to overwrite any server-writable file or load external files.

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