GHSA-qjrq-cvv4-3g9wHigh· 8.8▾ TwilightDuplicate Advisory: Knowns Unrestricted Path Traversal leading to out-of-bounds arbitrary .md file read, write, and deletion in MCP Docs + Memory Tools
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via GHSA
Last analysed / modified upstream
This advisory has been withdrawn because it is a duplicate of GHSA-9gfj-28hw-jchp. This link is maintained to preserve external references.
knowns versions before 0.30.0 fail to validate filesystem paths in MCP tool arguments, allowing attackers to read, create, overwrite and delete files outside the project directory. Attackers can supply path arguments containing directory traversal sequences to access arbitrary Markdown files accessible to the server process.
knowns < 0.30.0Refer to the advisory for the patched release.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-86439High· 8.8knowns versions before 0.30.0 fail to validate filesystem paths in MCP tool arguments, allowing attackers to read, create, overwrite and delete files outside the project directory
CVE-2026-86538High· 7.5knowns versions before 0.30.0 contain a path traversal vulnerability in the POST /api/templates/preview endpoint that allows unauthenticated attackers to read arbitrary files
CVE-2026-86541High· 8.3knowns versions before 0.30.0 contain a path traversal vulnerability in the handleCodeReplace() function that allows attackers to overwrite arbitrary files outside the project root
CVE-2026-86542Critical· 9.1knowns before 0.30.0 fails to validate import names in the import routes, allowing unauthenticated attackers to write files outside the imports directory
CVE-2026-86775High· 8.6knowns (npm package) versions <= 0.29.1 contain a path traversal vulnerability in the Document API
CVE-2026-88938Medium· 6.5knowns through 0.33.0 Path Traversal via code.find MCP tool