{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-54067/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-24T21:14:38.173Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-54067","@id":"https://www.cve.org/CVERecord?id=CVE-2026-54067","description":"SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, CSS snippet body containing </style> breaks out of its surrounding <style> tag when renderSnippet() interpolates it via insertAdjacentHTML. A payload like runs arbitrary JavaScript in the renderer. On Electron desktop builds the renderer runs with nodeIntegration:true, so require('child_process') is reachable from the injected handler and the XSS chains to host RCE. Snippets sync via the workspace repository, so an at"},"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":"2026-06-24T21:14:38.173Z"}]}