CVE-2021-41392: Boostnote

Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days.

static/main-preload.js in Boost Note through 0.22.0 allows remote command execution. A remote attacker may send a crafted IPC message to the exposed vulnerable ipcRenderer IPC interface, which invokes the dangerous openExternal Electron API.

Affected products

• Boostnote Boostnote: up to and including 0.22.0

Published 2021-09-17. Last modified 2026-06-17.