| Title | 0215AndrewFeng ACE-MCP 4.10.8 Path Traversal |
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| Description | An arbitrary file read vulnerability (CWE-22) has been identified in the get_file_snippet MCP tool of 0215AndrewFeng ACE-MCP 4.10.8, commit 84d11778fb2c1d4c37ca9f8bdc78f27e264819a4. The tool accepts attacker-controlled projectRootPath and filePath arguments and resolves them into an absolute path without enforcing a trusted project or workspace boundary. An attacker with access to the MCP interface can set projectRootPath to an arbitrary directory and read UTF-8 files accessible to the server process, potentially exposing sensitive local information. A working exploit has been demonstrated by reading /etc/hosts through the public MCP interface. No fixed version is available at the time of reporting. |
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| Source | ⚠️ https://github.com/0215AndrewFeng/ACE-MCP/issues/1 |
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| User | Xh1Xxhg (UID 90906) |
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| Submission | 08/27/2026 04:01 (24 days ago) |
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| Moderation | 09/19/2026 23:44 (24 days later) |
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| Status | Accepted |
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| VulDB entry | 407975 [0215AndrewFeng ACE-MCP up to 4.10.8 MCP Tool getFileSnippet.ts get_file_snippet projectRootPath/filePath path traversal] |
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| Points | 20 |
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