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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.

PUBLISHED Reserved 2026-04-29 | Published 2026-04-29 | Updated 2026-04-30 | Assigner VulDB




MEDIUM: 6.9CVSS: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
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Relative Path Traversal

Path Traversal

Product status

0.1
affected

0.2.0
affected

Timeline

2026-04-29:Advisory disclosed
2026-04-29:VulDB entry created
2026-04-29:VulDB entry last update

Credits

LargeW (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/360140 (VDB-360140 | getsimpletool mcpo-simple-server base_manager.py delete_shared_prompt path traversal) vdb-entry technical-description

vuldb.com/vuln/360140/cti (VDB-360140 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/803612 (Submit #803612 | getsimpletool simpletool-server 035efb1c98076ca3febd5e1f5fc3960f81a16af8 Pathname Traversal) third-party-advisory

github.com/getsimpletool/mcpo-simple-server/issues/4 exploit issue-tracking

github.com/getsimpletool/mcpo-simple-server/ product

cve.org (CVE-2026-7404)

nvd.nist.gov (CVE-2026-7404)

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