{"schema":"threatline.record/2","record":{"id":"CVE-2026-116168","aliases":["GHSA-q768-4j87-gf3w"],"summary":"SiYuan before v3.8.7 Path Traversal Local File Read via MCP Asset Tool","details":"SiYuan before 3.8.7 contains a path traversal vulnerability in the MCP asset tool because validateAssetUploadPaths relies on an incomplete sensitive-path blacklist that omits .env and other secret files. Authenticated attackers driving the MCP asset upload action can copy such local files into the workspace and read them back via /assets/ over HTTP.","categories":["Unclassified"],"product":"siyuan","vendor":"siyuan-note","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116168","source_modified_at":"2026-10-25T14:27:41.242Z","fetched_at":"2026-10-25T16:01:37.004770Z","product":"siyuan","vendor":"siyuan-note","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"3.8.7"},{"version":"3.8.7","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116168","source_modified_at":"2026-10-25T14:27:41.242Z","fetched_at":"2026-10-25T16:01:37.004770Z","package":{"name":"siyuan","ecosystem":null},"version":"3.8.7","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-25T13:20:11.054Z","modified_at":"2026-10-25T14:27:41.242Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116168","fetched_at":"2026-10-25T16:01:37.004770Z","source_modified_at":"2026-10-25T14:27:41.242Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-q768-4j87-gf3w","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/siyuan-before-3.8.7-path-traversal-local-file-read-via-mcp-asset-tool","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-25T14:27:41.242Z","content_hash":"a42a284b59b0098b9dc99f620ac0d73275feacd3edcd482ab3657a5a3e9c73ee"}}