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CVE-2026-66004— BlenderMCP Path Traversal via download_polyhaven_asset API

CVSS 5.3 · Medium EPSS 0.29% · P22

Affected Version Matrix 1

VendorProductVersion RangeStatus
ahujasidblender-mcp< 30a3308446cd8f81a9446e5a2ed657c0d8d86072affected
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I. Basic Information for CVE-2026-66004

Vulnerability Information
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Vulnerability Title
BlenderMCP Path Traversal via download_polyhaven_asset API
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
ahujasidblender-mcp 0 ~ 30a3308446cd8f81a9446e5a2ed657c0d8d86072 -

II. Public POCs for CVE-2026-66004

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III. Intelligence Information for CVE-2026-66004

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Patches & Fixes for CVE-2026-66004 (2)

Vendor Advisories for CVE-2026-66004 (1)

News Coverage for CVE-2026-66004 (1)

IV. Related Vulnerabilities

Same product: blender-mcp
Same vendor: ahujasid
Same weakness: CWE-22

V. Comments for CVE-2026-66004

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