CVE-2026-19370 | bartekke8it56w2 new-mcp 0.1.0 geminithinking index.ts fs.writeFileSync/fs.existsSync/fs.readFileSync sessionCommand/sessionPath path traversal (EUVD-2026-54956)

A vulnerability classified as critical has been found in bartekke8it56w2 new-mcp 0.1.0. This impacts the function fs.writeFileSync/fs.existsSync/fs.readFileSync of the file index.ts of the component geminithinking. This manipulation of the argument sessionCommand/sessionPath causes path traversal. This vulnerability appears as CVE-2026-19370. The attack requires local access. In addition, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.