PYSEC-2026-4203
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/blender-mcp/PYSEC-2026-4203.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-4203
- Aliases
- Published
- 2026-10-15T10:22:43Z
- Modified
- 2026-10-15T14:45:04Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
- 6.0 (Medium) CVSS_V4 - 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 CVSS Calculator
- Summary
- BlenderMCP path traversal in download_polyhaven_asset allows arbitrary file writes
- Details
-
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.
- References
-
- https://nvd.nist.gov/vuln/detail/CVE-2026-66004
- https://github.com/ahujasid/blender-mcp/issues/257
- https://github.com/ahujasid/blender-mcp/pull/258
- https://github.com/ahujasid/blender-mcp/commit/30a3308446cd8f81a9446e5a2ed657c0d8d86072
- https://github.com/ahujasid/mcp-for-blender
- https://www.vulncheck.com/advisories/blendermcp-path-traversal-via-download-polyhaven-asset-api
- https://pypi.org/project/blender-mcp
- https://github.com/advisories/GHSA-4h8q-hh2j-755w
Affected packages
PyPI / blender-mcp
Package
- Name
- blender-mcp
- View open source insights on deps.dev
- Purl
- pkg:pypi/blender-mcp
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed1.6.5