CVE-2026-47888 Spring Framework Memory Leak via SETUP Frame in RSocketMessageHandler

A Spring RSocket application is exposed to a memory leak via a malformed SETUP frame. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.0.RELEASE - 5.2.25.RELEASE...

CVE-2026-47888

CVE-2026-47888 affects the RSocketMessageHandler component of Spring Framework, where a malformed SETUP frame causes a memory leak in RSocket applications. The vulnerability is exploitable over the network with no privileges or user interaction required, leading to high availability impact (CVSS ...