Vulnerability Description
SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, Lute's HTML sanitizer does not remove <iframe> elements. Combined with the SiYuan Electron client's permissive security configuration, an attacker can include a malicious <iframe> in a Bazaar package README that executes arbitrary commands on the victim's machine when the package details are viewed. No package installation is required. This vulnerability is fixed in 3.7.0.
Related Weaknesses (CWE)
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-r6v5-4c66-f6pw
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-r6v5-4c66-f6pw
FAQ
What is CVE-2026-54759?
CVE-2026-54759 is a documented vulnerability. SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, Lute's HTML sanitizer does not remove <iframe> elements. Combined with the SiYuan Electron client's permissive security c...
How severe is CVE-2026-54759?
CVSS scoring is not yet available for CVE-2026-54759. Check NVD for updates.
Is there a patch for CVE-2026-54759?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.