Memory Leak Vulnerability in Spring Framework Products
CVE-2026-47888

7.5HIGH

Key Information:

Vendor

Spring

Status
Spring Framework
Vendor
CVE Published:
27 August 2026

What is CVE-2026-47888?

A vulnerability has been identified in the Spring Framework that allows for a memory leak. This occurs when a malformed SETUP frame is processed in Spring RSocket applications, leading to unintended consumption of memory resources. Affected versions include several iterations of the Spring Framework, making it crucial for developers and organizations to assess their usage and implement necessary updates to mitigate the risk.

Affected Version(s)

Spring Framework 7.0.0 <= 7.0.8

Spring Framework 6.2.0 <= 6.2.19

Spring Framework 6.1.0 <= 6.1.28

References

https://spring.io/security/cve-2026-47888

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.