CVE-2026-117567

high

Description

esp-mcp through commit 28afddf contains an OS command injection vulnerability that allows attackers to run arbitrary commands by supplying shell metacharacters in MCP tool parameters. Attackers influencing agent tool calls through prompt injection can inject metacharacters into target, port, project_path, or project_name values passed to asyncio.create_subprocess_shell, executing commands as the MCP server user.

References

https://www.vulncheck.com/advisories/esp-mcp-through-commit-28afddf-os-command-injection-via-mcp-tool-parameters

https://github.com/horw/esp-mcp/issues/49

https://github.com/horw/esp-mcp/blob/28afddf9ff41ada117bb45fd49b526d3bf89749e/main.py#L80

https://github.com/horw/esp-mcp

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-110845

Details

Source: Mitre, NVD

Published: 2026-10-27

Updated: 2026-11-02

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.5

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00652