CVE-2025-71427: Office-PowerPoint-MCP-Server through 2.0.7 Path Traversal via save_presentation and manage_image

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-01 · updated 2026-10-14
Weakness: CWE-22

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.

Affected products

GongRzhe Office-PowerPoint-MCP-Server: through 2.0.7

References

https://github.com/GongRzhe/Office-PowerPoint-MCP-Server
https://github.com/GongRzhe/Office-PowerPoint-MCP-Server/blob/3631ba2ec0c24504476f78bf74d329c9be11caaa/tools/presentation_tools.py#L127-L141
https://github.com/GongRzhe/Office-PowerPoint-MCP-Server/blob/3631ba2ec0c24504476f78bf74d329c9be11caaa/utils/presentation_utils.py#L61-L73
https://github.com/GongRzhe/Office-PowerPoint-MCP-Server/pull/33
https://www.vulncheck.com/advisories/office-powerpoint-mcp-server-through-2.0.7-path-traversal-via-save-presentation-and-manage-image

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