CVE-2026-59324

Summary

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

Affected Software

VendorProductVersion RangeStatus
SpringSpring Integration7.1.0affected
SpringSpring Integration7.0.0 <= 7.0.5affected
SpringSpring Integration6.5.0 <= 6.5.10affected
SpringSpring Integration6.4.0 <= 6.4.12affected
SpringSpring Integration0 <= 5.5.21affected

Weaknesses

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

References