CVE-2025-53393: Akka

Medium severity, CVSS 6.0. EPSS: 0.2% chance of exploitation in the next 30 days.

In Akka through 2.10.6, akka-cluster-metrics uses Java serialization for cluster metrics.

Affected products

• Akka Akka: up to and including 2.10.6

Published 2025-06-28. Last modified 2026-06-17.