CVE-2026-66004
CVE-2026-66004 · BlenderMCP Path Traversal via download_polyhaven_asset API
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.0 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Stack: python
Affected products and versions
blender-mcp
- Versions
- ≥ 0, < 30a3308446cd8f81a9446e5a2ed657c0d8d86072: Affected (git)
No fix published
blender-mcp PyPI
- Versions
- 0.1.0
- 0.1.1
- 1.0.0
- 1.0.2
- 1.1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.2
- 1.2.1
- 1.3.1
- 1.4.0
- 1.5.0
- 1.5.1
- 1.5.2
- 1.5.3
- 1.5.4
- 1.5.5
- 1.5.6
- 1.6.0
- 1.6.1
- 1.6.2
- 1.6.3
- 1.6.4
- Affected ranges
- ECOSYSTEM: < 1.6.5
Update to 1.6.5
Original sources
- https://github.com/ahujasid/blender-mcp/issues/257
- https://github.com/ahujasid/blender-mcp/pull/258
- https://github.com/ahujasid/blender-mcp/commit/30a3308446cd8f81a9446e5a2ed657c0d8d86072
- https://www.vulncheck.com/advisories/blendermcp-path-traversal-via-download-polyhaven-asset-api
- https://nvd.nist.gov/vuln/detail/CVE-2026-66004