{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-54759/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-25T12:32:38.000Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-54759","@id":"https://www.cve.org/CVERecord?id=CVE-2026-54759","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."},"products":[{"@id":"cpe:2.3:a:siyuan-note:siyuan:\\<_3.7.0:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:siyuan-note:siyuan:\\<_3.7.0:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-25T12:32:38.000Z"}]}