CVE-2025-39551: Mahmudul Hasan Arif Fluentboards

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in Mahmudul Hasan Arif FluentBoards fluent-boards allows Object Injection.This issue affects FluentBoards: from n/a through <= 1.47.

Affected products

• Mahmudul Hasan Arif Fluentboards: up to and including 1.47

Published 2025-04-17. Last modified 2026-06-17.