SCA: security update for blender-mcp (GHSA-4h8q-hh2j-755w)

medium Tenable Self-Hosted Container Security Plugin ID 472061

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2026-66004)

Solution

Update the blender-mcp library and its related packages to version 1.6.5 or later.

See Also

https://github.com/advisories/GHSA-4h8q-hh2j-755w

Plugin Details

Severity: Medium

ID: 472061

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/3/2026

Updated: 10/3/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.75

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2026-66004

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6

Threat Score: 2.3

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/24/2026

Vulnerability Publication Date: 7/24/2026

Reference Information

CVE: CVE-2026-66004

cwe: CWE-22