id: PYSEC-2026-2632
published: "2026-07-13T15:02:55.167214Z"
modified: "2026-07-13T15:02:55.167214Z"
aliases:
- CVE-2026-7404
- GHSA-3jmq-qhg3-f58j
summary: mcpo-simple-server has a Path Traversal issue
details: 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:
- package:
    name: mcpo-simple-server
    ecosystem: PyPI
    purl: pkg:pypi/mcpo-simple-server
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - last_affected: 0.2.0
references:
- type: ADVISORY
  url: https://nvd.nist.gov/vuln/detail/CVE-2026-7404
- type: WEB
  url: https://github.com/getsimpletool/mcpo-simple-server/issues/4
- type: PACKAGE
  url: https://github.com/getsimpletool/mcpo-simple-server
- type: WEB
  url: https://vuldb.com/submit/803612
- type: WEB
  url: https://vuldb.com/vuln/360140
- type: WEB
  url: https://vuldb.com/vuln/360140/cti
- type: PACKAGE
  url: https://pypi.org/project/mcpo-simple-server
- type: ADVISORY
  url: https://github.com/advisories/GHSA-3jmq-qhg3-f58j
severity:
- type: CVSS_V3
  score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- type: CVSS_V4
  score: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P