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CVE-2026-94046

0215AndrewFeng ACE-MCP MCP Tool getFileSnippet.ts get_file_snippet path traversal

CVSS 4.0 5.3 MEDIUMCVSS 3.1 4.3 MEDIUMCVSS 3.0 4.3 MEDIUMCVSS 2.0 4.0 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-94046

Published

A weakness has been identified in 0215AndrewFeng ACE-MCP up to 4.10.8. The affected element is the function get_file_snippet of the file getFileSnippet.ts of the component MCP Tool. Executing a manipulation of the argument projectRootPath/filePath can lead to path traversal. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. isPathInsideProjectRoot only blocks filePath escaping the attacker-chosen projectRootPath; the root itself is untrusted client input - set projectRootPath=/etc, filePath=hosts and the guard passes. The project was informed of the problem early through an issue report but has not responded yet.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-94046

Published

ACE-MCP

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "0215AndrewFeng",
                    "product": "ACE-MCP",
                    "versions": [
                        {
                            "version": "4.10.0",
                            "status": "affected"
                        },
                        {
                            "version": "4.10.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.10.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.10.3",
                            "status": "affected"
                        },
                        {
                            "version": "4.10.4",
                            "status": "affected"
                        },
                        {
                            "version": "4.10.5",
                            "status": "affected"
                        },
                        {
                            "version": "4.10.6",
                            "status": "affected"
                        },
                        {
                            "version": "4.10.7",
                            "status": "affected"
                        },
                        {
                            "version": "4.10.8",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:0215andrewfeng:ace-mcp:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "MCP Tool"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON