A vulnerability categorized as critical has been discovered in bazylhorsey obsidian-mcp-server 1.0.0. This affects the function readCanvas/writeCanvas of the file src/services/CanvasService.ts. Such manipulation leads to path traversal.

This vulnerability is traded as CVE-2026-19331. An attack has to be approached locally. Furthermore, there is an exploit available.

The project was informed of the problem early through an issue report but has not responded yet.