{"cve":"CVE-2026-66004","nvd":{"published":"2026-07-24T15:19:07.050","modified":"2026-10-24T13:10:00.147","status":"Deferred","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_v4":{"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","score":6.0},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","score":5.3},"cwes":["CWE-22"],"references":["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"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:27.712498749+00:00"},"epss":{"cve":"CVE-2026-66004","score":0.00296,"percentile":0.22085,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-4h8q-hh2j-755w","url":"https://osv.dev/vulnerability/GHSA-4h8q-hh2j-755w","summary":"BlenderMCP path traversal in download_polyhaven_asset allows arbitrary file writes","modified":"2026-10-15T14:55:44.453859293Z","packages":[{"ecosystem":"PyPI","name":"blender-mcp","purl":"pkg:pypi/blender-mcp","ranges":["<1.6.5"],"fixed":["1.6.5"]}]},{"id":"PYSEC-2026-4203","url":"https://osv.dev/vulnerability/PYSEC-2026-4203","summary":"BlenderMCP path traversal in download_polyhaven_asset allows arbitrary file writes","modified":"2026-10-15T14:45:04.337467966Z","packages":[{"ecosystem":"PyPI","name":"blender-mcp","purl":"pkg:pypi/blender-mcp","ranges":["<1.6.5"],"fixed":["1.6.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}