Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-q768-4j87-gf3w
- https://www.vulncheck.com/advisories/siyuan-before-3.8.7-path-traversal-local-fi
FAQ
What is CVE-2026-116168?
CVE-2026-116168 is a vulnerability with a CVSS score of 6.2 (MEDIUM). 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 fil...
How severe is CVE-2026-116168?
CVE-2026-116168 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116168?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.