Vulnerability · Published Apr 29, 2026 · Assigned by VulDB
CVE-2026-7404getsimpletool mcpo-simple-server base_manager.py delete_shared_prompt path traversal
High 7.3
In plain English
A high-severity path traversal in mcpo-simple-server from getsimpletool. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | mcpo-simple-server | no fix listed | GHSA-3jmq-qhg3-f58j |
| PyPI | mcpo-simple-server | no fix listed | PYSEC-2026-2632 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| getsimpletool | mcpo-simple-server | 0.10.2.0 |
Weakness: CWE-23, CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-360140 | getsimpletool mcpo-simple-server base_manager.py delete_shared_prompt path traversal vdb-entry, technical-description
- VDB-360140 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #803612 | getsimpletool simpletool-server 035efb1c98076ca3febd5e1f5fc3960f81a16af8 Pathname Traversal third-party-advisory
- https://github.com/getsimpletool/mcpo-simple-server/issues/4 exploit, issue-tracking
- https://github.com/getsimpletool/mcpo-simple-server/ product