CVE-2025-27845

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In ESPEC North America Web Controller 3 before 3.3.4, /api/v4/auth/ with any invalid authentication request results in exposing a JWT secret. This allows for elevated permissions to the UI.

Published 2025-08-14. Last modified 2026-06-17.