Medium severity5.3NVD Advisory· Published Jul 24, 2026· Updated Jul 30, 2026

CVE-2026-66004

Description

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.

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Affected products

Ahujasid/blender-mcpllm-fuzzy
Range: <commit 30a3308

Patches

Vulnerability mechanics

References

github.com/ahujasid/blender-mcp/commit/30a3308446cd8f81a9446e5a2ed657c0d8d86072nvd
github.com/ahujasid/blender-mcp/issues/257nvd
github.com/ahujasid/blender-mcp/pull/258nvd
www.vulncheck.com/advisories/blendermcp-path-traversal-via-download-polyhaven-asset-apinvd

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exploit	0.000
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ransomware	0.000