Vulnerability · Published Aug 9, 2026 · Assigned by VulDB
CVE-2026-19331bazylhorsey obsidian-mcp-server CanvasService.ts writeCanvas path traversal
Medium 5.3
In plain English
A medium-severity path traversal in obsidian-mcp-server from bazylhorsey. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 90.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was identified 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. An attack has to be approached locally. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| bazylhorsey | obsidian-mcp-server | 1.0.0 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-387165 | bazylhorsey obsidian-mcp-server CanvasService.ts writeCanvas path traversal vdb-entry, technical-description
- VDB-387165 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-19331 | CVE Analysis and Report third-party-advisory
- Submit #865254 | bazylhorsey obsidian-mcp-server unknown Path Traversal third-party-advisory
- https://github.com/bazylhorsey/obsidian-mcp-server/issues/3 issue-tracking
- https://github.com/bazylhorsey/obsidian-mcp-server/ product