mcpo-simple-server has a Path Traversal issue
Date: 2026-04
Affected: pip/mcpo-simple-server
Attack vector: path-traversal
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2026-7404
CWE: CWE-22
CVSS: 7.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

A weakness has been identified in getsimpletool mcpo-simple-server up to 0.2.0. Affected is the function delete_shared_prompt of the file src/mcpo_simple_server/services/prompt_manager/base_manager.py. This manipulation of the argument detail causes relative path traversal. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.


Mitigations:

Architectural layers (MAESTRO):