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.
SeverityHigh
CVSS7.8
Exploit probability—
ProductHorw Esp-mcp
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| horw esp-mcp | v ≤ 28afddf9ff41ada117bb45fd49b526d3bf89749e | — |
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