CVE-2026-86439
CVE-2026-86439 · knowns before 0.30.0 Path Traversal via MCP doc and memory tools
Здесь приведены факты из открытых источников об уязвимостях. Перед обновлением ознакомьтесь с исходным сообщением.
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.
CVSS 8.7 · Высокий · EPSS 1,1% · Есть исправление
- Опубликовано
- Обновлено
Стек: node
Затронутые продукты и версии
Первоисточники
- https://github.com/knowns-dev/knowns/security/advisories/GHSA-9gfj-28hw-jchp
- https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/doc_store.go#L124-L129
- https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/memory_store.go#L203-L211
- https://github.com/knowns-dev/knowns/commit/09c5a96fd5817b941dc86669278c1a17db10ed4e
- https://github.com/knowns-dev/knowns/releases/tag/v0.30.0
- https://www.vulncheck.com/advisories/knowns-before-0.30.0-path-traversal-via-mcp-doc-and-memory-tools
- https://nvd.nist.gov/vuln/detail/CVE-2026-86439