CVE-2026-117567
CVE-2026-117567 · esp-mcp through commit 28afddf OS Command Injection via MCP Tool Parameters
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 8.5 · High · EPSS 0.7%
- Published
- Updated
Affected products and versions
esp-mcp
- Versions
- ≥ 0, ≤ 28afddf9ff41ada117bb45fd49b526d3bf89749e: Affected (git)
No fix published
Original sources
- https://github.com/horw/esp-mcp/issues/49
- https://github.com/horw/esp-mcp
- https://github.com/horw/esp-mcp/blob/28afddf9ff41ada117bb45fd49b526d3bf89749e/main.py#L80
- https://www.vulncheck.com/advisories/esp-mcp-through-commit-28afddf-os-command-injection-via-mcp-tool-parameters
- https://nvd.nist.gov/vuln/detail/CVE-2026-117567