CVE-2025-62713: Kottster

High severity, CVSS 7.2. EPSS: 0.6% chance of exploitation in the next 30 days.

Kottster is a self hosted Node.js admin panel. From versions 3.2.0 to before 3.3.2, Kottster contains a pre-authentication remote code execution (RCE) vulnerability when running in development mode. This affects development mode only, production deployments were never affected. This issue has been fixed in version 3.3.2.

Affected products

• Kottster Kottster: from 3.2.0, before 3.3.2 (fixed in 3.3.2)

Published 2025-10-23. Last modified 2026-06-17.