| Title | hiraishikentaro wezterm-mcp 0.1.0 Injection |
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| Description | A critical command injection vulnerability was discovered in wezterm-mcp 0.1.0. The issue resides in the switch_pane and write_to_specific_pane tools within src/wezterm_executor.ts. The application takes a user-supplied pane_id argument and interpolates it directly into a shell command string executed via child_process.exec. Due to a lack of type enforcement and input sanitization, a remote authenticated attacker can bypass the intended numeric schema by providing shell metacharacters (e.g., ;, &, |) in the pane_id parameter. This allows for arbitrary OS command execution with the privileges of the MCP server process, leading to full system compromise. |
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| Source | ⚠️ https://github.com/hiraishikentaro/wezterm-mcp/issues/7 |
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| User | ccccccctfi (UID 97498) |
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| Submission | 05/11/2026 10:36 (3 months ago) |
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| Moderation | 05/31/2026 18:13 (20 days later) |
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| Status | Accepted |
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| VulDB entry | 367572 [hiraishikentaro wezterm-mcp 0.1.0 switch_pane/write_to_specific_pane src/wezterm_executor.ts request.params.arguments.pane_id os command injection] |
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| Points | 20 |
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