Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/horw/esp-mcp
- https://github.com/horw/esp-mcp/blob/28afddf9ff41ada117bb45fd49b526d3bf89749e/ma
- https://github.com/horw/esp-mcp/issues/49
- https://www.vulncheck.com/advisories/esp-mcp-through-commit-28afddf-os-command-i
FAQ
What is CVE-2026-117567?
CVE-2026-117567 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 influe...
How severe is CVE-2026-117567?
CVE-2026-117567 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-117567?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.