CVE-2026-66004

· MEDIUMDeferred

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CVSS v3.1

5.3

CVSS v4.0

6.0

EPSS

0.29%

Published

Jul 24, 2026

Modified

Jul 30, 2026

Public PoC / Exploit

All weaponized →

No public PoC or exploit code indexed for this CVE.

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

Weaknesses (CWE)

CWE-22

References (4)

https://github.com/ahujasid/blender-mcp/commit/30a3308446cd8f81a9446e5a2ed657c0d8d86072

https://github.com/ahujasid/blender-mcp/issues/257

https://github.com/ahujasid/blender-mcp/pull/258

https://www.vulncheck.com/advisories/blendermcp-path-traversal-via-download-polyhaven-asset-api

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