mcpo-simple-server has a Path Traversal issue
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | mcpo-simple-server | <= 0.2.0 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-7404
- https://github.com/getsimpletool/mcpo-simple-server/issues/4
- https://github.com/getsimpletool/mcpo-simple-server
- https://vuldb.com/submit/803612
- https://vuldb.com/vuln/360140
- https://vuldb.com/vuln/360140/cti
- https://pypi.org/project/mcpo-simple-server
- https://github.com/advisories/GHSA-3jmq-qhg3-f58j
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L- Weakness (CWE)
CWE-22- Platform
- Python (PyPI)
- Package
mcpo-simple-server- Disclosed
- 29.04.2026
- Updated
- 11.10.2026 14:17
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-2632 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-3jmq-qhg3-f58j - CC BY 4.0
Vulnerability history: mcpo-simple-server
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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