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.
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Affected Vendors & Products
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History
Tue, 13 Oct 2026 18:30:00 +0000
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Tue, 13 Oct 2026 08:15:00 +0000
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Cfdude mac-shell-mcp |
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Cfdude mac-shell-mcp |
Mon, 12 Oct 2026 12:45:00 +0000
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| 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. | |
| Title | mac-shell-mcp before 2.0.0 OS Command Injection via execute_command Arguments | |
| Weaknesses | CWE-78 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-12T12:13:05.422Z
Updated: 2026-10-13T16:58:27.456Z
Reserved: 2026-10-11T19:04:35.850Z
Link: CVE-2026-108953
Updated: 2026-10-13T16:40:53.746Z
Status : Deferred
Published: 2026-10-12T13:17:28.307
Modified: 2026-10-16T19:18:44.867
Link: CVE-2026-108953
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