GHSA-ffv7-8x5h-5w7rHighCVSS 7.8
mac-shell-mcp before 2.0.0 contains an OS command injection vulnerability that allows MCP clients...
🔗 CVE IDs covered (1)
📋 Description
mac-shell-mcp before 2.0.0 contains an OS command injection vulnerability that allows MCP clients to bypass the command whitelist by injecting shell metacharacters into execute_command arguments. Attackers or malicious prompts can call a safe command such as pwd with arguments like ';' to run forbidden commands as the server user without approval.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-108953
- https://github.com/cfdude/mac-shell-mcp/issues/45
- https://github.com/cfdude/mac-shell-mcp/commit/932ce733cde07bb30b1f186303e6692dbb5d087a
- https://github.com/cfdude/mac-shell-mcp
- https://github.com/cfdude/mac-shell-mcp/blob/1c1708201abb7a18c83075e1bf933e7a92cbeb9f/src/services/command-service.ts#L257-L340
- https://www.vulncheck.com/advisories/mac-shell-mcp-before-2.0.0-os-command-injection-via-execute-command-arguments
- https://github.com/advisories/GHSA-ffv7-8x5h-5w7r