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  4. CVE 2026 59324 fluxtransform shared requestmessageholder causes
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Back to active CVEs
High · CVSS 8.2CVE-2026-59324

fluxTransform shared RequestMessageHolder causes cross-message header leakage under async fluxFunctionCVE-2026-59324

Answer in brief

CVE-2026-59324 records a High severity (CVSS 8.2) vulnerability in fluxTransform shared RequestMessageHolder causes cross-message header leakage under async fluxFunction. The current sources do not mark it as known exploited. The current feed maps Spring/Spring Integration (generic), Spring/Spring Integration (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 27, 2026Updated Sep 1, 2026Source checked Oct 12, 2026First seen by HOL Aug 27, 2026Material review Sep 1, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.2
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Spring/Spring Integration (generic), Spring/Spring Integration (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:vmware:spring_integration:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Spring/Spring Integrationgeneric7.1.0 || 7.0.0 || 6.5.0 || 6.4.0 || 0Not reported
Spring/Spring Integrationgeneric7.1.0 || >=7.0.0 <=7.0.5 || >=6.5.0 <=6.5.10 || >=6.4.0 <=6.4.12 || >=0 <=5.5.21Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Spring/Spring Integration, Spring/Spring Integration.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 27, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 27, 2026

Sources and claim methodology

  • Source referencespring.io
Upstream source description

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

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-362
Source
CVE List V5
Source checked
Oct 12, 2026
References
1 linked source
Open source record