Disclosure summary
BlenderMCP before commit 30a3308 contains a path traversal vulnerability in the download_polyhaven_asset method that allows attackers to write arbitrary files by injecting traversal sequences in API response include keys. Attackers performing MITM attacks or prompt injection can supply malicious paths like '../../.bashrc' to overwrite sensitive files and achieve persistent code execution.
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
GitHub Reviewed Security Advisories · GHSA-4h8q-hh2j-755w
Open original source · Updated Oct 02, 2026
BlenderMCP path traversal in download_polyhaven_asset allows arbitrary file writes
Source severity: MEDIUM / 6
| Ecosystem | Package | Affected range | First patched |
|---|---|---|---|
| pip | blender-mcp | < 1.6.5 | 1.6.5 |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Reviewed advisory
PUBLISHED 2026-07-24T11:33:04-04:00
MODIFIED 2026-10-02T18:43:53-04:00
INGESTED 2026-10-06T11:45:17-04:00