Medium 5.3Published Jul 24, 2026

CVE-2026-66004BlenderMCP Path Traversal via download_polyhaven_asset API

Updated under an hour ago (Oct 27, 2026, 12:10 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for ahujasid blender-mcp

Exploited in the last 30 days

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: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ahujasid blender-mcp ahujasid:blender_mcp (from the name)	before 30a3308446cd8f81a9446e5a2ed657c0d8d86072	CNA record

References

References

https://github.com/ahujasid/blender-mcp/issues/257	technical-description, exploit, issue-tracking
https://github.com/ahujasid/blender-mcp/pull/258	issue-tracking, patch
https://github.com/ahujasid/blender-mcp/commit/30a3308446cd8f81a9446e5a2ed657c0d8d86072	patch
https://www.vulncheck.com/advisories/blendermcp-path-traversal-via-download-polyhaven-asset-api	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.