CVE-2026-47888 Security Details

CVE ID

CVE-2026-47888

CWE

CWE-401

CVE Description

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

Published

Aug 20, 2026

CVSS Score & Severity

6.9Medium

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

EPSS Score

0.460%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/springframework/messaging/rsocket/annotation/support/MessagingRSocket.createHeaders(Lio/rsocket/Payload;Lio/rsocket/frame/FrameType;Ljava/util/concurrent/atomic/AtomicReference;)Lorg/springframework/messaging/MessageHeaders;

JVMVulnerable params: 0

Affected Ecosystems

affected

Source

National Vulnerability Database

References

spring.ioPROJECT