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[ CVE-2026-108953 · Published 12 Oct 2026 ]

Vulnerability in cfdude mac-shell-mcp

CVSS 7.8 EPSS <1%No fix listed yet

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References