{"id":"CVE-2026-116168","published":"2026-10-25T14:16:55.923","lastModified":"2026-10-25T15:17:02.593","description":"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.","cvssScore":6.2,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwes":["CWE-22"],"vendors":[],"products":[],"references":[{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-q768-4j87-gf3w","tags":[]},{"url":"https://www.vulncheck.com/advisories/siyuan-before-3.8.7-path-traversal-local-file-read-via-mcp-asset-tool","tags":[]}],"exploitRefs":[{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-q768-4j87-gf3w","tags":[]}],"hasPoc":true,"ai":null}