BlenderMCP path traversal vulnerability in download_polyhaven_asset
BlenderMCP before commit 30a3308 contains a path traversal vulnerability in the download_polyhaven_asset method that allows attackers to write arbitrary files and achieve persistent code execution through MITM attacks or prompt injection.
Disclosed 24 July 2026 · Record updated 13 September 2026
Impact
Attackers can write arbitrary files by injecting traversal sequences in API response keys, potentially overwriting sensitive files like .bashrc to achieve persistent code execution.
Our coverage
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Sources
- nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-66004
