Bug 2525232 (CVE-2026-59324) - CVE-2026-59324 org.springframework.integration/spring-integration-core: Spring Integration: Information disclosure via cross-message header leakage
Summary: CVE-2026-59324 org.springframework.integration/spring-integration-core: Sprin...
Keywords:
Status: NEW
Alias: CVE-2026-59324
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2529827
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-27 20:18 UTC by OSIDB Bzimport
Modified: 2026-09-08 14:39 UTC (History)
4 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-08-27 20:18:41 UTC 
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
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