CVE-2026-59324

When an IntegrationFlow uses .fluxTransform() with an asynchronous/reordering fluxFunction that emits raw payloads, concurrent requests on the same FluxMessageChannel subscription have their reply headers (replyChannel, errorChannel, correlationId, any propagated security/tenant headers) copied from whichever message was most recently consumed upstream. Spring Integration 7.1.0 Spring Integration 7.0.0 - 7.0.5 Spring Integration 6.5.0 - 6.5.10 Spring Integration 6.4.0 - 6.4.12 Spring Integration 5.5.21 and earlier

Score

CVSS 3.1 8.2 High

Status

Analyzed - security@vmware.com

Published

2026-08-27

Last modified

2026-08-28

Weaknesses

CWE-362

Affected products

• Spring Integration (Spring)
• Spring Integration (Vmware)

References

• https://spring.io/security/cve-2026-59324