Vulnerability Description
SiYuan versions before 3.8.4 fail to escape bookmark labels imported from notebook files when rendering them in the dock tree. Attackers can craft malicious .sy notebook files with unescaped HTML in bookmark attributes that execute scripts in the Electron renderer with access to child_process for command execution.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/siyuan-note/siyuan
- https://github.com/siyuan-note/siyuan/blob/v3.8.3/app/src/util/Tree.ts#L134
- https://github.com/siyuan-note/siyuan/commit/6f093ebe50afc503e2a8b056164293054f8
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v
- https://www.vulncheck.com/advisories/siyuan-before-3.8.4-cross-site-scripting-vi
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v
FAQ
What is CVE-2026-92985?
CVE-2026-92985 is a vulnerability with a CVSS score of 8.8 (HIGH). SiYuan versions before 3.8.4 fail to escape bookmark labels imported from notebook files when rendering them in the dock tree. Attackers can craft malicious .sy notebook files with unescaped HTML in b...
How severe is CVE-2026-92985?
CVE-2026-92985 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-92985?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.